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Finding the Third Proportional to 10,209,408 and 15,816,059

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Solution

The third proportional to 10,209,408 and 15,816,059 is: 24,501,687.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209,408 : 15,816,059 = 15,816,059 : x
  2. Step 2: Convert to fraction form
    10,209,408/15,816,059 = 15,816,059/x
  3. Step 3: Cross multiply
    10,209,408x = 15,816,059 × 15,816,059
  4. Step 4: Simplify right side
    10,209,408x = 250,147,722,291,481
  5. Step 5: Solve for x
    x = 250,147,722,291,481/10,209,408
  6. Step 6: Final answer
    x = 24,501,687.30

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.