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Finding the Third Proportional to 188,128 and 250,800

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Solution

The third proportional to 188,128 and 250,800 is: 334,350.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,128 : 250,800 = 250,800 : x
  2. Step 2: Convert to fraction form
    188,128/250,800 = 250,800/x
  3. Step 3: Cross multiply
    188,128x = 250,800 × 250,800
  4. Step 4: Simplify right side
    188,128x = 62,900,640,000
  5. Step 5: Solve for x
    x = 62,900,640,000/188,128
  6. Step 6: Final answer
    x = 334,350.23

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.