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Finding the Third Proportional to 114,115.50 and 251,559

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Solution

The third proportional to 114,115.50 and 251,559 is: 554,542.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,115.50 : 251,559 = 251,559 : x
  2. Step 2: Convert to fraction form
    114,115.50/251,559 = 251,559/x
  3. Step 3: Cross multiply
    114,115.50x = 251,559 × 251,559
  4. Step 4: Simplify right side
    114,115.50x = 63,281,930,481
  5. Step 5: Solve for x
    x = 63,281,930,481/114,115.50
  6. Step 6: Final answer
    x = 554,542.81

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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.