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Finding the Third Proportional to 9,080 and 18,644

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Solution

The third proportional to 9,080 and 18,644 is: 38,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,080 : 18,644 = 18,644 : x
  2. Step 2: Convert to fraction form
    9,080/18,644 = 18,644/x
  3. Step 3: Cross multiply
    9,080x = 18,644 × 18,644
  4. Step 4: Simplify right side
    9,080x = 347,598,736
  5. Step 5: Solve for x
    x = 347,598,736/9,080
  6. Step 6: Final answer
    x = 38,281.80

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.