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Finding the Third Proportional to 10,212.75 and 19,377

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Solution

The third proportional to 10,212.75 and 19,377 is: 36,764.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212.75 : 19,377 = 19,377 : x
  2. Step 2: Convert to fraction form
    10,212.75/19,377 = 19,377/x
  3. Step 3: Cross multiply
    10,212.75x = 19,377 × 19,377
  4. Step 4: Simplify right side
    10,212.75x = 375,468,129
  5. Step 5: Solve for x
    x = 375,468,129/10,212.75
  6. Step 6: Final answer
    x = 36,764.65

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.