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Finding the Third Proportional to 3,101.06 and 6,688.69

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Solution

The third proportional to 3,101.06 and 6,688.69 is: 14,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.06 : 6,688.69 = 6,688.69 : x
  2. Step 2: Convert to fraction form
    3,101.06/6,688.69 = 6,688.69/x
  3. Step 3: Cross multiply
    3,101.06x = 6,688.69 × 6,688.69
  4. Step 4: Simplify right side
    3,101.06x = 44,738,540.47
  5. Step 5: Solve for x
    x = 44,738,540.47/3,101.06
  6. Step 6: Final answer
    x = 14,426.84

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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.