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Finding the Third Proportional to 388,279 and 795,376

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Solution

The third proportional to 388,279 and 795,376 is: 1,629,300.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,279 : 795,376 = 795,376 : x
  2. Step 2: Convert to fraction form
    388,279/795,376 = 795,376/x
  3. Step 3: Cross multiply
    388,279x = 795,376 × 795,376
  4. Step 4: Simplify right side
    388,279x = 632,622,981,376
  5. Step 5: Solve for x
    x = 632,622,981,376/388,279
  6. Step 6: Final answer
    x = 1,629,300.02

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.