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Finding the Third Proportional to 56,207 and 124,317

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Solution

The third proportional to 56,207 and 124,317 is: 274,960.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,207 : 124,317 = 124,317 : x
  2. Step 2: Convert to fraction form
    56,207/124,317 = 124,317/x
  3. Step 3: Cross multiply
    56,207x = 124,317 × 124,317
  4. Step 4: Simplify right side
    56,207x = 15,454,716,489
  5. Step 5: Solve for x
    x = 15,454,716,489/56,207
  6. Step 6: Final answer
    x = 274,960.71

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.