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Finding the Third Proportional to 442,332.75 and 667,154.25

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Solution

The third proportional to 442,332.75 and 667,154.25 is: 1,006,244.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,332.75 : 667,154.25 = 667,154.25 : x
  2. Step 2: Convert to fraction form
    442,332.75/667,154.25 = 667,154.25/x
  3. Step 3: Cross multiply
    442,332.75x = 667,154.25 × 667,154.25
  4. Step 4: Simplify right side
    442,332.75x = 445,094,793,293.06
  5. Step 5: Solve for x
    x = 445,094,793,293.06/442,332.75
  6. Step 6: Final answer
    x = 1,006,244.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.