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Finding the Third Proportional to 30,161 and 45,866

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Solution

The third proportional to 30,161 and 45,866 is: 69,748.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161 : 45,866 = 45,866 : x
  2. Step 2: Convert to fraction form
    30,161/45,866 = 45,866/x
  3. Step 3: Cross multiply
    30,161x = 45,866 × 45,866
  4. Step 4: Simplify right side
    30,161x = 2,103,689,956
  5. Step 5: Solve for x
    x = 2,103,689,956/30,161
  6. Step 6: Final answer
    x = 69,748.68

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.