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Finding the Third Proportional to 6,864 and 14,786

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Solution

The third proportional to 6,864 and 14,786 is: 31,851.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864 : 14,786 = 14,786 : x
  2. Step 2: Convert to fraction form
    6,864/14,786 = 14,786/x
  3. Step 3: Cross multiply
    6,864x = 14,786 × 14,786
  4. Step 4: Simplify right side
    6,864x = 218,625,796
  5. Step 5: Solve for x
    x = 218,625,796/6,864
  6. Step 6: Final answer
    x = 31,851.08

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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.