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Finding the Third Proportional to 454,272.75 and 661,691.25

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Solution

The third proportional to 454,272.75 and 661,691.25 is: 963,815.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,272.75 : 661,691.25 = 661,691.25 : x
  2. Step 2: Convert to fraction form
    454,272.75/661,691.25 = 661,691.25/x
  3. Step 3: Cross multiply
    454,272.75x = 661,691.25 × 661,691.25
  4. Step 4: Simplify right side
    454,272.75x = 437,835,310,326.56
  5. Step 5: Solve for x
    x = 437,835,310,326.56/454,272.75
  6. Step 6: Final answer
    x = 963,815.92

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.