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Finding the Third Proportional to 18,501 and 27,640.50

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Solution

The third proportional to 18,501 and 27,640.50 is: 41,294.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501 : 27,640.50 = 27,640.50 : x
  2. Step 2: Convert to fraction form
    18,501/27,640.50 = 27,640.50/x
  3. Step 3: Cross multiply
    18,501x = 27,640.50 × 27,640.50
  4. Step 4: Simplify right side
    18,501x = 763,997,240.25
  5. Step 5: Solve for x
    x = 763,997,240.25/18,501
  6. Step 6: Final answer
    x = 41,294.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.