Home / 120,743,820-188,290,180.50

Finding the Third Proportional to 120,743,820 and 188,290,180.50

Calculator

Solution

The third proportional to 120,743,820 and 188,290,180.50 is: 293,623,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,743,820 : 188,290,180.50 = 188,290,180.50 : x
  2. Step 2: Convert to fraction form
    120,743,820/188,290,180.50 = 188,290,180.50/x
  3. Step 3: Cross multiply
    120,743,820x = 188,290,180.50 × 188,290,180.50
  4. Step 4: Simplify right side
    120,743,820x = 35,453,192,072,722,580
  5. Step 5: Solve for x
    x = 35,453,192,072,722,580/120,743,820
  6. Step 6: Final answer
    x = 293,623,243.60

Related Problems

Find third proportional to 60,371,910 and 94,145,090.25
Half scale
Find third proportional to 241,487,640 and 376,580,361
Double scale
Find third proportional to 120,743,822 and 188,290,184
Similar ratio
Find third proportional to 181,115,730 and 282,435,270.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.