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Finding the Third Proportional to 171,036 and 268,301

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Solution

The third proportional to 171,036 and 268,301 is: 420,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,036 : 268,301 = 268,301 : x
  2. Step 2: Convert to fraction form
    171,036/268,301 = 268,301/x
  3. Step 3: Cross multiply
    171,036x = 268,301 × 268,301
  4. Step 4: Simplify right side
    171,036x = 71,985,426,601
  5. Step 5: Solve for x
    x = 71,985,426,601/171,036
  6. Step 6: Final answer
    x = 420,878.80

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.