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Finding the Third Proportional to 6,815 and 14,681

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Solution

The third proportional to 6,815 and 14,681 is: 31,626.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815 : 14,681 = 14,681 : x
  2. Step 2: Convert to fraction form
    6,815/14,681 = 14,681/x
  3. Step 3: Cross multiply
    6,815x = 14,681 × 14,681
  4. Step 4: Simplify right side
    6,815x = 215,531,761
  5. Step 5: Solve for x
    x = 215,531,761/6,815
  6. Step 6: Final answer
    x = 31,626.08

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.