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Finding the Third Proportional to 9,049,671 and 19,691,478

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Solution

The third proportional to 9,049,671 and 19,691,478 is: 42,847,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,049,671 : 19,691,478 = 19,691,478 : x
  2. Step 2: Convert to fraction form
    9,049,671/19,691,478 = 19,691,478/x
  3. Step 3: Cross multiply
    9,049,671x = 19,691,478 × 19,691,478
  4. Step 4: Simplify right side
    9,049,671x = 387,754,305,824,484
  5. Step 5: Solve for x
    x = 387,754,305,824,484/9,049,671
  6. Step 6: Final answer
    x = 42,847,337.30

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.