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Finding the Third Proportional to 118,854.38 and 261,036.75

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Solution

The third proportional to 118,854.38 and 261,036.75 is: 573,308.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,854.38 : 261,036.75 = 261,036.75 : x
  2. Step 2: Convert to fraction form
    118,854.38/261,036.75 = 261,036.75/x
  3. Step 3: Cross multiply
    118,854.38x = 261,036.75 × 261,036.75
  4. Step 4: Simplify right side
    118,854.38x = 68,140,184,850.56
  5. Step 5: Solve for x
    x = 68,140,184,850.56/118,854.38
  6. Step 6: Final answer
    x = 573,308.18

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.