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Finding the Third Proportional to 115,372 and 250,328

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Solution

The third proportional to 115,372 and 250,328 is: 543,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,372 : 250,328 = 250,328 : x
  2. Step 2: Convert to fraction form
    115,372/250,328 = 250,328/x
  3. Step 3: Cross multiply
    115,372x = 250,328 × 250,328
  4. Step 4: Simplify right side
    115,372x = 62,664,107,584
  5. Step 5: Solve for x
    x = 62,664,107,584/115,372
  6. Step 6: Final answer
    x = 543,148.32

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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.