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Finding the Third Proportional to 9,195,408 and 19,982,472

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Solution

The third proportional to 9,195,408 and 19,982,472 is: 43,423,759.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195,408 : 19,982,472 = 19,982,472 : x
  2. Step 2: Convert to fraction form
    9,195,408/19,982,472 = 19,982,472/x
  3. Step 3: Cross multiply
    9,195,408x = 19,982,472 × 19,982,472
  4. Step 4: Simplify right side
    9,195,408x = 399,299,187,230,784
  5. Step 5: Solve for x
    x = 399,299,187,230,784/9,195,408
  6. Step 6: Final answer
    x = 43,423,759.69

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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.