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Finding the Third Proportional to 5,715,720 and 12,217,472

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Solution

The third proportional to 5,715,720 and 12,217,472 is: 26,115,103.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715,720 : 12,217,472 = 12,217,472 : x
  2. Step 2: Convert to fraction form
    5,715,720/12,217,472 = 12,217,472/x
  3. Step 3: Cross multiply
    5,715,720x = 12,217,472 × 12,217,472
  4. Step 4: Simplify right side
    5,715,720x = 149,266,622,070,784
  5. Step 5: Solve for x
    x = 149,266,622,070,784/5,715,720
  6. Step 6: Final answer
    x = 26,115,103.97

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.