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Finding the Third Proportional to 156,750 and 338,280

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Solution

The third proportional to 156,750 and 338,280 is: 730,037.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,750 : 338,280 = 338,280 : x
  2. Step 2: Convert to fraction form
    156,750/338,280 = 338,280/x
  3. Step 3: Cross multiply
    156,750x = 338,280 × 338,280
  4. Step 4: Simplify right side
    156,750x = 114,433,358,400
  5. Step 5: Solve for x
    x = 114,433,358,400/156,750
  6. Step 6: Final answer
    x = 730,037.37

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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.