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Finding the Third Proportional to 667,560 and 1,390,344

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Solution

The third proportional to 667,560 and 1,390,344 is: 2,895,704.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,560 : 1,390,344 = 1,390,344 : x
  2. Step 2: Convert to fraction form
    667,560/1,390,344 = 1,390,344/x
  3. Step 3: Cross multiply
    667,560x = 1,390,344 × 1,390,344
  4. Step 4: Simplify right side
    667,560x = 1,933,056,438,336
  5. Step 5: Solve for x
    x = 1,933,056,438,336/667,560
  6. Step 6: Final answer
    x = 2,895,704.41

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.