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Finding the Third Proportional to 127,622 and 280,597

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Solution

The third proportional to 127,622 and 280,597 is: 616,936.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,622 : 280,597 = 280,597 : x
  2. Step 2: Convert to fraction form
    127,622/280,597 = 280,597/x
  3. Step 3: Cross multiply
    127,622x = 280,597 × 280,597
  4. Step 4: Simplify right side
    127,622x = 78,734,676,409
  5. Step 5: Solve for x
    x = 78,734,676,409/127,622
  6. Step 6: Final answer
    x = 616,936.55

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.