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Finding the Third Proportional to 10,372,817 and 15,222,918

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Solution

The third proportional to 10,372,817 and 15,222,918 is: 22,340,819.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372,817 : 15,222,918 = 15,222,918 : x
  2. Step 2: Convert to fraction form
    10,372,817/15,222,918 = 15,222,918/x
  3. Step 3: Cross multiply
    10,372,817x = 15,222,918 × 15,222,918
  4. Step 4: Simplify right side
    10,372,817x = 231,737,232,434,724
  5. Step 5: Solve for x
    x = 231,737,232,434,724/10,372,817
  6. Step 6: Final answer
    x = 22,340,819.51

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.