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Finding the Third Proportional to 87,266 and 134,211

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Solution

The third proportional to 87,266 and 134,211 is: 206,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,266 : 134,211 = 134,211 : x
  2. Step 2: Convert to fraction form
    87,266/134,211 = 134,211/x
  3. Step 3: Cross multiply
    87,266x = 134,211 × 134,211
  4. Step 4: Simplify right side
    87,266x = 18,012,592,521
  5. Step 5: Solve for x
    x = 18,012,592,521/87,266
  6. Step 6: Final answer
    x = 206,410.20

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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.