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Finding the Third Proportional to 173,807 and 268,980

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Solution

The third proportional to 173,807 and 268,980 is: 416,267.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,807 : 268,980 = 268,980 : x
  2. Step 2: Convert to fraction form
    173,807/268,980 = 268,980/x
  3. Step 3: Cross multiply
    173,807x = 268,980 × 268,980
  4. Step 4: Simplify right side
    173,807x = 72,350,240,400
  5. Step 5: Solve for x
    x = 72,350,240,400/173,807
  6. Step 6: Final answer
    x = 416,267.70

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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.