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Finding the Third Proportional to 379,246.78 and 814,774.78

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Solution

The third proportional to 379,246.78 and 814,774.78 is: 1,750,464.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,246.78 : 814,774.78 = 814,774.78 : x
  2. Step 2: Convert to fraction form
    379,246.78/814,774.78 = 814,774.78/x
  3. Step 3: Cross multiply
    379,246.78x = 814,774.78 × 814,774.78
  4. Step 4: Simplify right side
    379,246.78x = 663,857,944,160.99
  5. Step 5: Solve for x
    x = 663,857,944,160.99/379,246.78
  6. Step 6: Final answer
    x = 1,750,464.28

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.