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Finding the Third Proportional to 18,540 and 28,808

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Solution

The third proportional to 18,540 and 28,808 is: 44,762.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540 : 28,808 = 28,808 : x
  2. Step 2: Convert to fraction form
    18,540/28,808 = 28,808/x
  3. Step 3: Cross multiply
    18,540x = 28,808 × 28,808
  4. Step 4: Simplify right side
    18,540x = 829,900,864
  5. Step 5: Solve for x
    x = 829,900,864/18,540
  6. Step 6: Final answer
    x = 44,762.72

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.