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Finding the Third Proportional to 715,819.50 and 1,543,725

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Solution

The third proportional to 715,819.50 and 1,543,725 is: 3,329,172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,819.50 : 1,543,725 = 1,543,725 : x
  2. Step 2: Convert to fraction form
    715,819.50/1,543,725 = 1,543,725/x
  3. Step 3: Cross multiply
    715,819.50x = 1,543,725 × 1,543,725
  4. Step 4: Simplify right side
    715,819.50x = 2,383,086,875,625
  5. Step 5: Solve for x
    x = 2,383,086,875,625/715,819.50
  6. Step 6: Final answer
    x = 3,329,172.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.