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Finding the Third Proportional to 251,725.50 and 381,244.50

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Solution

The third proportional to 251,725.50 and 381,244.50 is: 577,404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,725.50 : 381,244.50 = 381,244.50 : x
  2. Step 2: Convert to fraction form
    251,725.50/381,244.50 = 381,244.50/x
  3. Step 3: Cross multiply
    251,725.50x = 381,244.50 × 381,244.50
  4. Step 4: Simplify right side
    251,725.50x = 145,347,368,780.25
  5. Step 5: Solve for x
    x = 145,347,368,780.25/251,725.50
  6. Step 6: Final answer
    x = 577,404.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.