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Finding the Third Proportional to 19,187,404 and 39,145,565

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Solution

The third proportional to 19,187,404 and 39,145,565 is: 79,863,605.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187,404 : 39,145,565 = 39,145,565 : x
  2. Step 2: Convert to fraction form
    19,187,404/39,145,565 = 39,145,565/x
  3. Step 3: Cross multiply
    19,187,404x = 39,145,565 × 39,145,565
  4. Step 4: Simplify right side
    19,187,404x = 1,532,375,259,169,225
  5. Step 5: Solve for x
    x = 1,532,375,259,169,225/19,187,404
  6. Step 6: Final answer
    x = 79,863,605.27

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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.