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Finding the Third Proportional to 19,187,406 and 39,145,569

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Solution

The third proportional to 19,187,406 and 39,145,569 is: 79,863,613.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187,406 : 39,145,569 = 39,145,569 : x
  2. Step 2: Convert to fraction form
    19,187,406/39,145,569 = 39,145,569/x
  3. Step 3: Cross multiply
    19,187,406x = 39,145,569 × 39,145,569
  4. Step 4: Simplify right side
    19,187,406x = 1,532,375,572,333,761
  5. Step 5: Solve for x
    x = 1,532,375,572,333,761/19,187,406
  6. Step 6: Final answer
    x = 79,863,613.26

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.