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Finding the Third Proportional to 12,992 and 14,864

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Solution

The third proportional to 12,992 and 14,864 is: 17,005.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992 : 14,864 = 14,864 : x
  2. Step 2: Convert to fraction form
    12,992/14,864 = 14,864/x
  3. Step 3: Cross multiply
    12,992x = 14,864 × 14,864
  4. Step 4: Simplify right side
    12,992x = 220,938,496
  5. Step 5: Solve for x
    x = 220,938,496/12,992
  6. Step 6: Final answer
    x = 17,005.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.