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Finding the Third Proportional to 7,418,320 and 15,816,448

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Solution

The third proportional to 7,418,320 and 15,816,448 is: 33,721,924.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418,320 : 15,816,448 = 15,816,448 : x
  2. Step 2: Convert to fraction form
    7,418,320/15,816,448 = 15,816,448/x
  3. Step 3: Cross multiply
    7,418,320x = 15,816,448 × 15,816,448
  4. Step 4: Simplify right side
    7,418,320x = 250,160,027,336,704
  5. Step 5: Solve for x
    x = 250,160,027,336,704/7,418,320
  6. Step 6: Final answer
    x = 33,721,924.55

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.