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Finding the Third Proportional to 447,624 and 915,924

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Solution

The third proportional to 447,624 and 915,924 is: 1,874,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,624 : 915,924 = 915,924 : x
  2. Step 2: Convert to fraction form
    447,624/915,924 = 915,924/x
  3. Step 3: Cross multiply
    447,624x = 915,924 × 915,924
  4. Step 4: Simplify right side
    447,624x = 838,916,773,776
  5. Step 5: Solve for x
    x = 838,916,773,776/447,624
  6. Step 6: Final answer
    x = 1,874,155.04

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.