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Finding the Third Proportional to 18,310 and 26,775

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Solution

The third proportional to 18,310 and 26,775 is: 39,153.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310 : 26,775 = 26,775 : x
  2. Step 2: Convert to fraction form
    18,310/26,775 = 26,775/x
  3. Step 3: Cross multiply
    18,310x = 26,775 × 26,775
  4. Step 4: Simplify right side
    18,310x = 716,900,625
  5. Step 5: Solve for x
    x = 716,900,625/18,310
  6. Step 6: Final answer
    x = 39,153.50

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.