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Finding the Third Proportional to 54,488 and 83,317

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Solution

The third proportional to 54,488 and 83,317 is: 127,399.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,488 : 83,317 = 83,317 : x
  2. Step 2: Convert to fraction form
    54,488/83,317 = 83,317/x
  3. Step 3: Cross multiply
    54,488x = 83,317 × 83,317
  4. Step 4: Simplify right side
    54,488x = 6,941,722,489
  5. Step 5: Solve for x
    x = 6,941,722,489/54,488
  6. Step 6: Final answer
    x = 127,399.11

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.