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Finding the Third Proportional to 415,432 and 903,762

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Solution

The third proportional to 415,432 and 903,762 is: 1,966,111.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,432 : 903,762 = 903,762 : x
  2. Step 2: Convert to fraction form
    415,432/903,762 = 903,762/x
  3. Step 3: Cross multiply
    415,432x = 903,762 × 903,762
  4. Step 4: Simplify right side
    415,432x = 816,785,752,644
  5. Step 5: Solve for x
    x = 816,785,752,644/415,432
  6. Step 6: Final answer
    x = 1,966,111.79

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.