Home / 71,751-156,420

Finding the Third Proportional to 71,751 and 156,420

Calculator

Solution

The third proportional to 71,751 and 156,420 is: 341,001.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,751 : 156,420 = 156,420 : x
  2. Step 2: Convert to fraction form
    71,751/156,420 = 156,420/x
  3. Step 3: Cross multiply
    71,751x = 156,420 × 156,420
  4. Step 4: Simplify right side
    71,751x = 24,467,216,400
  5. Step 5: Solve for x
    x = 24,467,216,400/71,751
  6. Step 6: Final answer
    x = 341,001.75

Related Problems

Find third proportional to 35,875.50 and 78,210
Half scale
Find third proportional to 143,502 and 312,840
Double scale
Find third proportional to 71,753 and 156,424
Similar ratio
Find third proportional to 107,626.50 and 234,630
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.