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Finding the Third Proportional to 5,272,626 and 8,217,203

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Solution

The third proportional to 5,272,626 and 8,217,203 is: 12,806,223.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272,626 : 8,217,203 = 8,217,203 : x
  2. Step 2: Convert to fraction form
    5,272,626/8,217,203 = 8,217,203/x
  3. Step 3: Cross multiply
    5,272,626x = 8,217,203 × 8,217,203
  4. Step 4: Simplify right side
    5,272,626x = 67,522,425,143,209
  5. Step 5: Solve for x
    x = 67,522,425,143,209/5,272,626
  6. Step 6: Final answer
    x = 12,806,223.15

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.