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Finding the Third Proportional to 8,972,694 and 19,459,764

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Solution

The third proportional to 8,972,694 and 19,459,764 is: 42,203,870.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972,694 : 19,459,764 = 19,459,764 : x
  2. Step 2: Convert to fraction form
    8,972,694/19,459,764 = 19,459,764/x
  3. Step 3: Cross multiply
    8,972,694x = 19,459,764 × 19,459,764
  4. Step 4: Simplify right side
    8,972,694x = 378,682,414,935,696
  5. Step 5: Solve for x
    x = 378,682,414,935,696/8,972,694
  6. Step 6: Final answer
    x = 42,203,870.42

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.