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Finding the Third Proportional to 4,251,217 and 8,680,871

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Solution

The third proportional to 4,251,217 and 8,680,871 is: 17,726,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251,217 : 8,680,871 = 8,680,871 : x
  2. Step 2: Convert to fraction form
    4,251,217/8,680,871 = 8,680,871/x
  3. Step 3: Cross multiply
    4,251,217x = 8,680,871 × 8,680,871
  4. Step 4: Simplify right side
    4,251,217x = 75,357,521,318,641
  5. Step 5: Solve for x
    x = 75,357,521,318,641/4,251,217
  6. Step 6: Final answer
    x = 17,726,105.56

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.