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Finding the Third Proportional to 16,956 and 26,778

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Solution

The third proportional to 16,956 and 26,778 is: 42,289.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,956 : 26,778 = 26,778 : x
  2. Step 2: Convert to fraction form
    16,956/26,778 = 26,778/x
  3. Step 3: Cross multiply
    16,956x = 26,778 × 26,778
  4. Step 4: Simplify right side
    16,956x = 717,061,284
  5. Step 5: Solve for x
    x = 717,061,284/16,956
  6. Step 6: Final answer
    x = 42,289.53

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.