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Finding the Third Proportional to 379,806 and 587,904

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Solution

The third proportional to 379,806 and 587,904 is: 910,020.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,806 : 587,904 = 587,904 : x
  2. Step 2: Convert to fraction form
    379,806/587,904 = 587,904/x
  3. Step 3: Cross multiply
    379,806x = 587,904 × 587,904
  4. Step 4: Simplify right side
    379,806x = 345,631,113,216
  5. Step 5: Solve for x
    x = 345,631,113,216/379,806
  6. Step 6: Final answer
    x = 910,020.15

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.