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Finding the Third Proportional to 122,678 and 250,516

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Solution

The third proportional to 122,678 and 250,516 is: 511,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,678 : 250,516 = 250,516 : x
  2. Step 2: Convert to fraction form
    122,678/250,516 = 250,516/x
  3. Step 3: Cross multiply
    122,678x = 250,516 × 250,516
  4. Step 4: Simplify right side
    122,678x = 62,758,266,256
  5. Step 5: Solve for x
    x = 62,758,266,256/122,678
  6. Step 6: Final answer
    x = 511,569.04

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.