Home / 159,310-349,220

Finding the Third Proportional to 159,310 and 349,220

Calculator

Solution

The third proportional to 159,310 and 349,220 is: 765,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,310 : 349,220 = 349,220 : x
  2. Step 2: Convert to fraction form
    159,310/349,220 = 349,220/x
  3. Step 3: Cross multiply
    159,310x = 349,220 × 349,220
  4. Step 4: Simplify right side
    159,310x = 121,954,608,400
  5. Step 5: Solve for x
    x = 121,954,608,400/159,310
  6. Step 6: Final answer
    x = 765,517.60

Related Problems

Find third proportional to 79,655 and 174,610
Half scale
Find third proportional to 318,620 and 698,440
Double scale
Find third proportional to 159,312 and 349,224
Similar ratio
Find third proportional to 238,965 and 523,830
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.