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Finding the Third Proportional to 16,721,259 and 25,842,812

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Solution

The third proportional to 16,721,259 and 25,842,812 is: 39,940,230.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721,259 : 25,842,812 = 25,842,812 : x
  2. Step 2: Convert to fraction form
    16,721,259/25,842,812 = 25,842,812/x
  3. Step 3: Cross multiply
    16,721,259x = 25,842,812 × 25,842,812
  4. Step 4: Simplify right side
    16,721,259x = 667,850,932,067,344
  5. Step 5: Solve for x
    x = 667,850,932,067,344/16,721,259
  6. Step 6: Final answer
    x = 39,940,230.10

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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.