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Finding the Third Proportional to 8,669,494 and 13,500,638

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Solution

The third proportional to 8,669,494 and 13,500,638 is: 21,023,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669,494 : 13,500,638 = 13,500,638 : x
  2. Step 2: Convert to fraction form
    8,669,494/13,500,638 = 13,500,638/x
  3. Step 3: Cross multiply
    8,669,494x = 13,500,638 × 13,500,638
  4. Step 4: Simplify right side
    8,669,494x = 182,267,226,407,044
  5. Step 5: Solve for x
    x = 182,267,226,407,044/8,669,494
  6. Step 6: Final answer
    x = 21,023,975.15

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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.