Home / 71,487-156,798

Finding the Third Proportional to 71,487 and 156,798

Calculator

Solution

The third proportional to 71,487 and 156,798 is: 343,917.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,487 : 156,798 = 156,798 : x
  2. Step 2: Convert to fraction form
    71,487/156,798 = 156,798/x
  3. Step 3: Cross multiply
    71,487x = 156,798 × 156,798
  4. Step 4: Simplify right side
    71,487x = 24,585,612,804
  5. Step 5: Solve for x
    x = 24,585,612,804/71,487
  6. Step 6: Final answer
    x = 343,917.25

Related Problems

Find third proportional to 35,743.50 and 78,399
Half scale
Find third proportional to 142,974 and 313,596
Double scale
Find third proportional to 71,489 and 156,802
Similar ratio
Find third proportional to 107,230.50 and 235,197
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.