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Finding the Third Proportional to 6,702 and 11,986.50

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Solution

The third proportional to 6,702 and 11,986.50 is: 21,437.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,702 : 11,986.50 = 11,986.50 : x
  2. Step 2: Convert to fraction form
    6,702/11,986.50 = 11,986.50/x
  3. Step 3: Cross multiply
    6,702x = 11,986.50 × 11,986.50
  4. Step 4: Simplify right side
    6,702x = 143,676,182.25
  5. Step 5: Solve for x
    x = 143,676,182.25/6,702
  6. Step 6: Final answer
    x = 21,437.81

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.