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Finding the Third Proportional to 18,360 and 39,635.25

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Solution

The third proportional to 18,360 and 39,635.25 is: 85,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360 : 39,635.25 = 39,635.25 : x
  2. Step 2: Convert to fraction form
    18,360/39,635.25 = 39,635.25/x
  3. Step 3: Cross multiply
    18,360x = 39,635.25 × 39,635.25
  4. Step 4: Simplify right side
    18,360x = 1,570,953,042.56
  5. Step 5: Solve for x
    x = 1,570,953,042.56/18,360
  6. Step 6: Final answer
    x = 85,563.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.