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Finding the Third Proportional to 18,456,448 and 40,386,552

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Solution

The third proportional to 18,456,448 and 40,386,552 is: 88,374,186.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,448 : 40,386,552 = 40,386,552 : x
  2. Step 2: Convert to fraction form
    18,456,448/40,386,552 = 40,386,552/x
  3. Step 3: Cross multiply
    18,456,448x = 40,386,552 × 40,386,552
  4. Step 4: Simplify right side
    18,456,448x = 1,631,073,582,448,704
  5. Step 5: Solve for x
    x = 1,631,073,582,448,704/18,456,448
  6. Step 6: Final answer
    x = 88,374,186.76

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.