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Finding the Third Proportional to 454,306,982.38 and 988,213,249.13

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Solution

The third proportional to 454,306,982.38 and 988,213,249.13 is: 2,149,571,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,306,982.38 : 988,213,249.13 = 988,213,249.13 : x
  2. Step 2: Convert to fraction form
    454,306,982.38/988,213,249.13 = 988,213,249.13/x
  3. Step 3: Cross multiply
    454,306,982.38x = 988,213,249.13 × 988,213,249.13
  4. Step 4: Simplify right side
    454,306,982.38x = 976,565,425,746,189,312
  5. Step 5: Solve for x
    x = 976,565,425,746,189,312/454,306,982.38
  6. Step 6: Final answer
    x = 2,149,571,685.30

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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.