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Finding the Third Proportional to 16,726 and 36,331

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Solution

The third proportional to 16,726 and 36,331 is: 78,915.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,726 : 36,331 = 36,331 : x
  2. Step 2: Convert to fraction form
    16,726/36,331 = 36,331/x
  3. Step 3: Cross multiply
    16,726x = 36,331 × 36,331
  4. Step 4: Simplify right side
    16,726x = 1,319,941,561
  5. Step 5: Solve for x
    x = 1,319,941,561/16,726
  6. Step 6: Final answer
    x = 78,915.55

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.