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Finding the Third Proportional to 7,180 and 11,464

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Solution

The third proportional to 7,180 and 11,464 is: 18,304.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180 : 11,464 = 11,464 : x
  2. Step 2: Convert to fraction form
    7,180/11,464 = 11,464/x
  3. Step 3: Cross multiply
    7,180x = 11,464 × 11,464
  4. Step 4: Simplify right side
    7,180x = 131,423,296
  5. Step 5: Solve for x
    x = 131,423,296/7,180
  6. Step 6: Final answer
    x = 18,304.08

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.