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Finding the Third Proportional to 118,458 and 255,883

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Solution

The third proportional to 118,458 and 255,883 is: 552,736.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,458 : 255,883 = 255,883 : x
  2. Step 2: Convert to fraction form
    118,458/255,883 = 255,883/x
  3. Step 3: Cross multiply
    118,458x = 255,883 × 255,883
  4. Step 4: Simplify right side
    118,458x = 65,476,109,689
  5. Step 5: Solve for x
    x = 65,476,109,689/118,458
  6. Step 6: Final answer
    x = 552,736.92

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.