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Finding the Third Proportional to 18,486,464 and 39,895,816

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Solution

The third proportional to 18,486,464 and 39,895,816 is: 86,099,544.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486,464 : 39,895,816 = 39,895,816 : x
  2. Step 2: Convert to fraction form
    18,486,464/39,895,816 = 39,895,816/x
  3. Step 3: Cross multiply
    18,486,464x = 39,895,816 × 39,895,816
  4. Step 4: Simplify right side
    18,486,464x = 1,591,676,134,305,856
  5. Step 5: Solve for x
    x = 1,591,676,134,305,856/18,486,464
  6. Step 6: Final answer
    x = 86,099,544.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.