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Finding the Third Proportional to 6,860 and 14,312

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Solution

The third proportional to 6,860 and 14,312 is: 29,859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860 : 14,312 = 14,312 : x
  2. Step 2: Convert to fraction form
    6,860/14,312 = 14,312/x
  3. Step 3: Cross multiply
    6,860x = 14,312 × 14,312
  4. Step 4: Simplify right side
    6,860x = 204,833,344
  5. Step 5: Solve for x
    x = 204,833,344/6,860
  6. Step 6: Final answer
    x = 29,859.09

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.