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Finding the Third Proportional to 18,458 and 27,710

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Solution

The third proportional to 18,458 and 27,710 is: 41,599.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458 : 27,710 = 27,710 : x
  2. Step 2: Convert to fraction form
    18,458/27,710 = 27,710/x
  3. Step 3: Cross multiply
    18,458x = 27,710 × 27,710
  4. Step 4: Simplify right side
    18,458x = 767,844,100
  5. Step 5: Solve for x
    x = 767,844,100/18,458
  6. Step 6: Final answer
    x = 41,599.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.