Home / 203,370-309,201.50

Finding the Third Proportional to 203,370 and 309,201.50

Calculator

Solution

The third proportional to 203,370 and 309,201.50 is: 470,106.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,370 : 309,201.50 = 309,201.50 : x
  2. Step 2: Convert to fraction form
    203,370/309,201.50 = 309,201.50/x
  3. Step 3: Cross multiply
    203,370x = 309,201.50 × 309,201.50
  4. Step 4: Simplify right side
    203,370x = 95,605,567,602.25
  5. Step 5: Solve for x
    x = 95,605,567,602.25/203,370
  6. Step 6: Final answer
    x = 470,106.54

Related Problems

Find third proportional to 101,685 and 154,600.75
Half scale
Find third proportional to 406,740 and 618,403
Double scale
Find third proportional to 203,372 and 309,205
Similar ratio
Find third proportional to 305,055 and 463,802.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.