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Finding the Third Proportional to 57,098 and 86,995

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Solution

The third proportional to 57,098 and 86,995 is: 132,546.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,098 : 86,995 = 86,995 : x
  2. Step 2: Convert to fraction form
    57,098/86,995 = 86,995/x
  3. Step 3: Cross multiply
    57,098x = 86,995 × 86,995
  4. Step 4: Simplify right side
    57,098x = 7,568,130,025
  5. Step 5: Solve for x
    x = 7,568,130,025/57,098
  6. Step 6: Final answer
    x = 132,546.32

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.