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Finding the Third Proportional to 57,496 and 77,272

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Solution

The third proportional to 57,496 and 77,272 is: 103,850.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,496 : 77,272 = 77,272 : x
  2. Step 2: Convert to fraction form
    57,496/77,272 = 77,272/x
  3. Step 3: Cross multiply
    57,496x = 77,272 × 77,272
  4. Step 4: Simplify right side
    57,496x = 5,970,961,984
  5. Step 5: Solve for x
    x = 5,970,961,984/57,496
  6. Step 6: Final answer
    x = 103,850.04

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.