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Finding the Third Proportional to 10,542,439 and 16,291,469

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Solution

The third proportional to 10,542,439 and 16,291,469 is: 25,175,574.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542,439 : 16,291,469 = 16,291,469 : x
  2. Step 2: Convert to fraction form
    10,542,439/16,291,469 = 16,291,469/x
  3. Step 3: Cross multiply
    10,542,439x = 16,291,469 × 16,291,469
  4. Step 4: Simplify right side
    10,542,439x = 265,411,962,177,961
  5. Step 5: Solve for x
    x = 265,411,962,177,961/10,542,439
  6. Step 6: Final answer
    x = 25,175,574.85

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.