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Finding the Third Proportional to 86,058 and 132,930

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Solution

The third proportional to 86,058 and 132,930 is: 205,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,058 : 132,930 = 132,930 : x
  2. Step 2: Convert to fraction form
    86,058/132,930 = 132,930/x
  3. Step 3: Cross multiply
    86,058x = 132,930 × 132,930
  4. Step 4: Simplify right side
    86,058x = 17,670,384,900
  5. Step 5: Solve for x
    x = 17,670,384,900/86,058
  6. Step 6: Final answer
    x = 205,331.11

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.