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Finding the Third Proportional to 19,187,419 and 39,145,598

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Solution

The third proportional to 19,187,419 and 39,145,598 is: 79,863,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187,419 : 39,145,598 = 39,145,598 : x
  2. Step 2: Convert to fraction form
    19,187,419/39,145,598 = 39,145,598/x
  3. Step 3: Cross multiply
    19,187,419x = 39,145,598 × 39,145,598
  4. Step 4: Simplify right side
    19,187,419x = 1,532,377,842,777,604
  5. Step 5: Solve for x
    x = 1,532,377,842,777,604/19,187,419
  6. Step 6: Final answer
    x = 79,863,677.48

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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.