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Finding the Third Proportional to 457,530 and 660,043

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Solution

The third proportional to 457,530 and 660,043 is: 952,192.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,530 : 660,043 = 660,043 : x
  2. Step 2: Convert to fraction form
    457,530/660,043 = 660,043/x
  3. Step 3: Cross multiply
    457,530x = 660,043 × 660,043
  4. Step 4: Simplify right side
    457,530x = 435,656,761,849
  5. Step 5: Solve for x
    x = 435,656,761,849/457,530
  6. Step 6: Final answer
    x = 952,192.78

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.