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Finding the Third Proportional to 15,787,557 and 34,011,432

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Solution

The third proportional to 15,787,557 and 34,011,432 is: 73,271,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787,557 : 34,011,432 = 34,011,432 : x
  2. Step 2: Convert to fraction form
    15,787,557/34,011,432 = 34,011,432/x
  3. Step 3: Cross multiply
    15,787,557x = 34,011,432 × 34,011,432
  4. Step 4: Simplify right side
    15,787,557x = 1,156,777,506,690,624
  5. Step 5: Solve for x
    x = 1,156,777,506,690,624/15,787,557
  6. Step 6: Final answer
    x = 73,271,469.85

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.