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Finding the Third Proportional to 18,255 and 23,638.50

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Solution

The third proportional to 18,255 and 23,638.50 is: 30,609.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255 : 23,638.50 = 23,638.50 : x
  2. Step 2: Convert to fraction form
    18,255/23,638.50 = 23,638.50/x
  3. Step 3: Cross multiply
    18,255x = 23,638.50 × 23,638.50
  4. Step 4: Simplify right side
    18,255x = 558,778,682.25
  5. Step 5: Solve for x
    x = 558,778,682.25/18,255
  6. Step 6: Final answer
    x = 30,609.62

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.