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Finding the Third Proportional to 14,091 and 18,980

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Solution

The third proportional to 14,091 and 18,980 is: 25,565.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091 : 18,980 = 18,980 : x
  2. Step 2: Convert to fraction form
    14,091/18,980 = 18,980/x
  3. Step 3: Cross multiply
    14,091x = 18,980 × 18,980
  4. Step 4: Simplify right side
    14,091x = 360,240,400
  5. Step 5: Solve for x
    x = 360,240,400/14,091
  6. Step 6: Final answer
    x = 25,565.28

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.