Home / 71,370-156,863

Finding the Third Proportional to 71,370 and 156,863

Calculator

Solution

The third proportional to 71,370 and 156,863 is: 344,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,370 : 156,863 = 156,863 : x
  2. Step 2: Convert to fraction form
    71,370/156,863 = 156,863/x
  3. Step 3: Cross multiply
    71,370x = 156,863 × 156,863
  4. Step 4: Simplify right side
    71,370x = 24,606,000,769
  5. Step 5: Solve for x
    x = 24,606,000,769/71,370
  6. Step 6: Final answer
    x = 344,766.72

Related Problems

Find third proportional to 35,685 and 78,431.50
Half scale
Find third proportional to 142,740 and 313,726
Double scale
Find third proportional to 71,372 and 156,867
Similar ratio
Find third proportional to 107,055 and 235,294.50
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.