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Finding the Third Proportional to 19,873,792 and 29,910,192

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Solution

The third proportional to 19,873,792 and 29,910,192 is: 45,015,042.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,873,792 : 29,910,192 = 29,910,192 : x
  2. Step 2: Convert to fraction form
    19,873,792/29,910,192 = 29,910,192/x
  3. Step 3: Cross multiply
    19,873,792x = 29,910,192 × 29,910,192
  4. Step 4: Simplify right side
    19,873,792x = 894,619,585,476,864
  5. Step 5: Solve for x
    x = 894,619,585,476,864/19,873,792
  6. Step 6: Final answer
    x = 45,015,042.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.