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Finding the Third Proportional to 13,458 and 18,532

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Solution

The third proportional to 13,458 and 18,532 is: 25,519.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458 : 18,532 = 18,532 : x
  2. Step 2: Convert to fraction form
    13,458/18,532 = 18,532/x
  3. Step 3: Cross multiply
    13,458x = 18,532 × 18,532
  4. Step 4: Simplify right side
    13,458x = 343,435,024
  5. Step 5: Solve for x
    x = 343,435,024/13,458
  6. Step 6: Final answer
    x = 25,519.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.