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Finding the Third Proportional to 118,864 and 252,992

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Solution

The third proportional to 118,864 and 252,992 is: 538,472.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,864 : 252,992 = 252,992 : x
  2. Step 2: Convert to fraction form
    118,864/252,992 = 252,992/x
  3. Step 3: Cross multiply
    118,864x = 252,992 × 252,992
  4. Step 4: Simplify right side
    118,864x = 64,004,952,064
  5. Step 5: Solve for x
    x = 64,004,952,064/118,864
  6. Step 6: Final answer
    x = 538,472.14

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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.