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Finding the Third Proportional to 6,939 and 14,986.13

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Solution

The third proportional to 6,939 and 14,986.13 is: 32,365.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939 : 14,986.13 = 14,986.13 : x
  2. Step 2: Convert to fraction form
    6,939/14,986.13 = 14,986.13/x
  3. Step 3: Cross multiply
    6,939x = 14,986.13 × 14,986.13
  4. Step 4: Simplify right side
    6,939x = 224,583,942.52
  5. Step 5: Solve for x
    x = 224,583,942.52/6,939
  6. Step 6: Final answer
    x = 32,365.46

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.