Home / 72,459-156,276

Finding the Third Proportional to 72,459 and 156,276

Calculator

Solution

The third proportional to 72,459 and 156,276 is: 337,048.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,459 : 156,276 = 156,276 : x
  2. Step 2: Convert to fraction form
    72,459/156,276 = 156,276/x
  3. Step 3: Cross multiply
    72,459x = 156,276 × 156,276
  4. Step 4: Simplify right side
    72,459x = 24,422,188,176
  5. Step 5: Solve for x
    x = 24,422,188,176/72,459
  6. Step 6: Final answer
    x = 337,048.37

Related Problems

Find third proportional to 36,229.50 and 78,138
Half scale
Find third proportional to 144,918 and 312,552
Double scale
Find third proportional to 72,461 and 156,280
Similar ratio
Find third proportional to 108,688.50 and 234,414
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.