Home / 71,420-156,852

Finding the Third Proportional to 71,420 and 156,852

Calculator

Solution

The third proportional to 71,420 and 156,852 is: 344,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,420 : 156,852 = 156,852 : x
  2. Step 2: Convert to fraction form
    71,420/156,852 = 156,852/x
  3. Step 3: Cross multiply
    71,420x = 156,852 × 156,852
  4. Step 4: Simplify right side
    71,420x = 24,602,549,904
  5. Step 5: Solve for x
    x = 24,602,549,904/71,420
  6. Step 6: Final answer
    x = 344,477.04

Related Problems

Find third proportional to 35,710 and 78,426
Half scale
Find third proportional to 142,840 and 313,704
Double scale
Find third proportional to 71,422 and 156,856
Similar ratio
Find third proportional to 107,130 and 235,278
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.