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Finding the Third Proportional to 75,276 and 99,927

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Solution

The third proportional to 75,276 and 99,927 is: 132,650.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,276 : 99,927 = 99,927 : x
  2. Step 2: Convert to fraction form
    75,276/99,927 = 99,927/x
  3. Step 3: Cross multiply
    75,276x = 99,927 × 99,927
  4. Step 4: Simplify right side
    75,276x = 9,985,405,329
  5. Step 5: Solve for x
    x = 9,985,405,329/75,276
  6. Step 6: Final answer
    x = 132,650.58

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.