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Finding the Third Proportional to 220,277 and 340,808

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Solution

The third proportional to 220,277 and 340,808 is: 527,291.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,277 : 340,808 = 340,808 : x
  2. Step 2: Convert to fraction form
    220,277/340,808 = 340,808/x
  3. Step 3: Cross multiply
    220,277x = 340,808 × 340,808
  4. Step 4: Simplify right side
    220,277x = 116,150,092,864
  5. Step 5: Solve for x
    x = 116,150,092,864/220,277
  6. Step 6: Final answer
    x = 527,291.06

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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.