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Finding the Third Proportional to 251,347.50 and 351,591.75

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Solution

The third proportional to 251,347.50 and 351,591.75 is: 491,816.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,347.50 : 351,591.75 = 351,591.75 : x
  2. Step 2: Convert to fraction form
    251,347.50/351,591.75 = 351,591.75/x
  3. Step 3: Cross multiply
    251,347.50x = 351,591.75 × 351,591.75
  4. Step 4: Simplify right side
    251,347.50x = 123,616,758,668.06
  5. Step 5: Solve for x
    x = 123,616,758,668.06/251,347.50
  6. Step 6: Final answer
    x = 491,816.15

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.