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Finding the Third Proportional to 118,073.25 and 253,640.25

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Solution

The third proportional to 118,073.25 and 253,640.25 is: 544,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,073.25 : 253,640.25 = 253,640.25 : x
  2. Step 2: Convert to fraction form
    118,073.25/253,640.25 = 253,640.25/x
  3. Step 3: Cross multiply
    118,073.25x = 253,640.25 × 253,640.25
  4. Step 4: Simplify right side
    118,073.25x = 64,333,376,420.06
  5. Step 5: Solve for x
    x = 64,333,376,420.06/118,073.25
  6. Step 6: Final answer
    x = 544,859.88

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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.