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Finding the Third Proportional to 10,170 and 16,773.75

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Solution

The third proportional to 10,170 and 16,773.75 is: 27,665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,170 : 16,773.75 = 16,773.75 : x
  2. Step 2: Convert to fraction form
    10,170/16,773.75 = 16,773.75/x
  3. Step 3: Cross multiply
    10,170x = 16,773.75 × 16,773.75
  4. Step 4: Simplify right side
    10,170x = 281,358,689.06
  5. Step 5: Solve for x
    x = 281,358,689.06/10,170
  6. Step 6: Final answer
    x = 27,665.55

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.