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Finding the Third Proportional to 18,351 and 40,732.50

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Solution

The third proportional to 18,351 and 40,732.50 is: 90,411.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351 : 40,732.50 = 40,732.50 : x
  2. Step 2: Convert to fraction form
    18,351/40,732.50 = 40,732.50/x
  3. Step 3: Cross multiply
    18,351x = 40,732.50 × 40,732.50
  4. Step 4: Simplify right side
    18,351x = 1,659,136,556.25
  5. Step 5: Solve for x
    x = 1,659,136,556.25/18,351
  6. Step 6: Final answer
    x = 90,411.23

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.