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Finding the Third Proportional to 220,760 and 349,797

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Solution

The third proportional to 220,760 and 349,797 is: 554,257.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,760 : 349,797 = 349,797 : x
  2. Step 2: Convert to fraction form
    220,760/349,797 = 349,797/x
  3. Step 3: Cross multiply
    220,760x = 349,797 × 349,797
  4. Step 4: Simplify right side
    220,760x = 122,357,941,209
  5. Step 5: Solve for x
    x = 122,357,941,209/220,760
  6. Step 6: Final answer
    x = 554,257.75

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.