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Finding the Third Proportional to 54,822 and 117,957

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Solution

The third proportional to 54,822 and 117,957 is: 253,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,822 : 117,957 = 117,957 : x
  2. Step 2: Convert to fraction form
    54,822/117,957 = 117,957/x
  3. Step 3: Cross multiply
    54,822x = 117,957 × 117,957
  4. Step 4: Simplify right side
    54,822x = 13,913,853,849
  5. Step 5: Solve for x
    x = 13,913,853,849/54,822
  6. Step 6: Final answer
    x = 253,800.55

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.