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Finding the Third Proportional to 4,386,404 and 9,781,374

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Solution

The third proportional to 4,386,404 and 9,781,374 is: 21,811,779.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386,404 : 9,781,374 = 9,781,374 : x
  2. Step 2: Convert to fraction form
    4,386,404/9,781,374 = 9,781,374/x
  3. Step 3: Cross multiply
    4,386,404x = 9,781,374 × 9,781,374
  4. Step 4: Simplify right side
    4,386,404x = 95,675,277,327,876
  5. Step 5: Solve for x
    x = 95,675,277,327,876/4,386,404
  6. Step 6: Final answer
    x = 21,811,779.61

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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.