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Finding the Third Proportional to 18,103,154 and 39,394,432

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Solution

The third proportional to 18,103,154 and 39,394,432 is: 85,726,568.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103,154 : 39,394,432 = 39,394,432 : x
  2. Step 2: Convert to fraction form
    18,103,154/39,394,432 = 39,394,432/x
  3. Step 3: Cross multiply
    18,103,154x = 39,394,432 × 39,394,432
  4. Step 4: Simplify right side
    18,103,154x = 1,551,921,272,602,624
  5. Step 5: Solve for x
    x = 1,551,921,272,602,624/18,103,154
  6. Step 6: Final answer
    x = 85,726,568.56

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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.