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Finding the Third Proportional to 168,101 and 252,330

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Solution

The third proportional to 168,101 and 252,330 is: 378,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,101 : 252,330 = 252,330 : x
  2. Step 2: Convert to fraction form
    168,101/252,330 = 252,330/x
  3. Step 3: Cross multiply
    168,101x = 252,330 × 252,330
  4. Step 4: Simplify right side
    168,101x = 63,670,428,900
  5. Step 5: Solve for x
    x = 63,670,428,900/168,101
  6. Step 6: Final answer
    x = 378,762.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.