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Finding the Third Proportional to 118,850.50 and 261,026

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Solution

The third proportional to 118,850.50 and 261,026 is: 573,279.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,850.50 : 261,026 = 261,026 : x
  2. Step 2: Convert to fraction form
    118,850.50/261,026 = 261,026/x
  3. Step 3: Cross multiply
    118,850.50x = 261,026 × 261,026
  4. Step 4: Simplify right side
    118,850.50x = 68,134,572,676
  5. Step 5: Solve for x
    x = 68,134,572,676/118,850.50
  6. Step 6: Final answer
    x = 573,279.65

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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.