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Finding the Third Proportional to 317,037.38 and 660,247.88

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Solution

The third proportional to 317,037.38 and 660,247.88 is: 1,375,002.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,037.38 : 660,247.88 = 660,247.88 : x
  2. Step 2: Convert to fraction form
    317,037.38/660,247.88 = 660,247.88/x
  3. Step 3: Cross multiply
    317,037.38x = 660,247.88 × 660,247.88
  4. Step 4: Simplify right side
    317,037.38x = 435,927,256,442.02
  5. Step 5: Solve for x
    x = 435,927,256,442.02/317,037.38
  6. Step 6: Final answer
    x = 1,375,002.73

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.