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Finding the Third Proportional to 8,248,853 and 12,479,448

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Solution

The third proportional to 8,248,853 and 12,479,448 is: 18,879,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248,853 : 12,479,448 = 12,479,448 : x
  2. Step 2: Convert to fraction form
    8,248,853/12,479,448 = 12,479,448/x
  3. Step 3: Cross multiply
    8,248,853x = 12,479,448 × 12,479,448
  4. Step 4: Simplify right side
    8,248,853x = 155,736,622,384,704
  5. Step 5: Solve for x
    x = 155,736,622,384,704/8,248,853
  6. Step 6: Final answer
    x = 18,879,791.21

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.