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Finding the Third Proportional to 35,992 and 54,312

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Solution

The third proportional to 35,992 and 54,312 is: 81,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,992 : 54,312 = 54,312 : x
  2. Step 2: Convert to fraction form
    35,992/54,312 = 54,312/x
  3. Step 3: Cross multiply
    35,992x = 54,312 × 54,312
  4. Step 4: Simplify right side
    35,992x = 2,949,793,344
  5. Step 5: Solve for x
    x = 2,949,793,344/35,992
  6. Step 6: Final answer
    x = 81,956.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.