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Finding the Third Proportional to 393,700.50 and 582,248.25

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Solution

The third proportional to 393,700.50 and 582,248.25 is: 861,093.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,700.50 : 582,248.25 = 582,248.25 : x
  2. Step 2: Convert to fraction form
    393,700.50/582,248.25 = 582,248.25/x
  3. Step 3: Cross multiply
    393,700.50x = 582,248.25 × 582,248.25
  4. Step 4: Simplify right side
    393,700.50x = 339,013,024,628.06
  5. Step 5: Solve for x
    x = 339,013,024,628.06/393,700.50
  6. Step 6: Final answer
    x = 861,093.71

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.