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Finding the Third Proportional to 391,750 and 879,372

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Solution

The third proportional to 391,750 and 879,372 is: 1,973,950.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,750 : 879,372 = 879,372 : x
  2. Step 2: Convert to fraction form
    391,750/879,372 = 879,372/x
  3. Step 3: Cross multiply
    391,750x = 879,372 × 879,372
  4. Step 4: Simplify right side
    391,750x = 773,295,114,384
  5. Step 5: Solve for x
    x = 773,295,114,384/391,750
  6. Step 6: Final answer
    x = 1,973,950.52

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Why These Related Problems?

These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.