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Finding the Third Proportional to 257,568.75 and 564,345

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Solution

The third proportional to 257,568.75 and 564,345 is: 1,236,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,568.75 : 564,345 = 564,345 : x
  2. Step 2: Convert to fraction form
    257,568.75/564,345 = 564,345/x
  3. Step 3: Cross multiply
    257,568.75x = 564,345 × 564,345
  4. Step 4: Simplify right side
    257,568.75x = 318,485,279,025
  5. Step 5: Solve for x
    x = 318,485,279,025/257,568.75
  6. Step 6: Final answer
    x = 1,236,505.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.