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Finding the Third Proportional to 115,382 and 250,447

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Solution

The third proportional to 115,382 and 250,447 is: 543,617.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,382 : 250,447 = 250,447 : x
  2. Step 2: Convert to fraction form
    115,382/250,447 = 250,447/x
  3. Step 3: Cross multiply
    115,382x = 250,447 × 250,447
  4. Step 4: Simplify right side
    115,382x = 62,723,699,809
  5. Step 5: Solve for x
    x = 62,723,699,809/115,382
  6. Step 6: Final answer
    x = 543,617.72

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.