Home / 72,630-156,730

Finding the Third Proportional to 72,630 and 156,730

Calculator

Solution

The third proportional to 72,630 and 156,730 is: 338,211.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,630 : 156,730 = 156,730 : x
  2. Step 2: Convert to fraction form
    72,630/156,730 = 156,730/x
  3. Step 3: Cross multiply
    72,630x = 156,730 × 156,730
  4. Step 4: Simplify right side
    72,630x = 24,564,292,900
  5. Step 5: Solve for x
    x = 24,564,292,900/72,630
  6. Step 6: Final answer
    x = 338,211.39

Related Problems

Find third proportional to 36,315 and 78,365
Half scale
Find third proportional to 145,260 and 313,460
Double scale
Find third proportional to 72,632 and 156,734
Similar ratio
Find third proportional to 108,945 and 235,095
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.