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Finding the Third Proportional to 18,179.50 and 26,670.75

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Solution

The third proportional to 18,179.50 and 26,670.75 is: 39,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.50 : 26,670.75 = 26,670.75 : x
  2. Step 2: Convert to fraction form
    18,179.50/26,670.75 = 26,670.75/x
  3. Step 3: Cross multiply
    18,179.50x = 26,670.75 × 26,670.75
  4. Step 4: Simplify right side
    18,179.50x = 711,328,905.56
  5. Step 5: Solve for x
    x = 711,328,905.56/18,179.50
  6. Step 6: Final answer
    x = 39,128.08

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.