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Finding the Third Proportional to 6,778.50 and 15,693

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Solution

The third proportional to 6,778.50 and 15,693 is: 36,331.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.50 : 15,693 = 15,693 : x
  2. Step 2: Convert to fraction form
    6,778.50/15,693 = 15,693/x
  3. Step 3: Cross multiply
    6,778.50x = 15,693 × 15,693
  4. Step 4: Simplify right side
    6,778.50x = 246,270,249
  5. Step 5: Solve for x
    x = 246,270,249/6,778.50
  6. Step 6: Final answer
    x = 36,331.08

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.