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Finding the Third Proportional to 344,930 and 515,277

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Solution

The third proportional to 344,930 and 515,277 is: 769,751.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,930 : 515,277 = 515,277 : x
  2. Step 2: Convert to fraction form
    344,930/515,277 = 515,277/x
  3. Step 3: Cross multiply
    344,930x = 515,277 × 515,277
  4. Step 4: Simplify right side
    344,930x = 265,510,386,729
  5. Step 5: Solve for x
    x = 265,510,386,729/344,930
  6. Step 6: Final answer
    x = 769,751.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.