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Finding the Third Proportional to 7,225,518 and 10,638,675

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Solution

The third proportional to 7,225,518 and 10,638,675 is: 15,664,123.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225,518 : 10,638,675 = 10,638,675 : x
  2. Step 2: Convert to fraction form
    7,225,518/10,638,675 = 10,638,675/x
  3. Step 3: Cross multiply
    7,225,518x = 10,638,675 × 10,638,675
  4. Step 4: Simplify right side
    7,225,518x = 113,181,405,755,625
  5. Step 5: Solve for x
    x = 113,181,405,755,625/7,225,518
  6. Step 6: Final answer
    x = 15,664,123.42

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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.