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Finding the Third Proportional to 38,988,481 and 84,485,474

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Solution

The third proportional to 38,988,481 and 84,485,474 is: 183,074,465.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,988,481 : 84,485,474 = 84,485,474 : x
  2. Step 2: Convert to fraction form
    38,988,481/84,485,474 = 84,485,474/x
  3. Step 3: Cross multiply
    38,988,481x = 84,485,474 × 84,485,474
  4. Step 4: Simplify right side
    38,988,481x = 7,137,795,317,004,676
  5. Step 5: Solve for x
    x = 7,137,795,317,004,676/38,988,481
  6. Step 6: Final answer
    x = 183,074,465.43

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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.