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Finding the Third Proportional to 4,386,454 and 9,781,474

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Solution

The third proportional to 4,386,454 and 9,781,474 is: 21,811,976.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386,454 : 9,781,474 = 9,781,474 : x
  2. Step 2: Convert to fraction form
    4,386,454/9,781,474 = 9,781,474/x
  3. Step 3: Cross multiply
    4,386,454x = 9,781,474 × 9,781,474
  4. Step 4: Simplify right side
    4,386,454x = 95,677,233,612,676
  5. Step 5: Solve for x
    x = 95,677,233,612,676/4,386,454
  6. Step 6: Final answer
    x = 21,811,976.97

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.