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Finding the Third Proportional to 60,359 and 131,431

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Solution

The third proportional to 60,359 and 131,431 is: 286,189.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,359 : 131,431 = 131,431 : x
  2. Step 2: Convert to fraction form
    60,359/131,431 = 131,431/x
  3. Step 3: Cross multiply
    60,359x = 131,431 × 131,431
  4. Step 4: Simplify right side
    60,359x = 17,274,107,761
  5. Step 5: Solve for x
    x = 17,274,107,761/60,359
  6. Step 6: Final answer
    x = 286,189.43

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.