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Finding the Third Proportional to 28,854 and 36,870

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Solution

The third proportional to 28,854 and 36,870 is: 47,112.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,854 : 36,870 = 36,870 : x
  2. Step 2: Convert to fraction form
    28,854/36,870 = 36,870/x
  3. Step 3: Cross multiply
    28,854x = 36,870 × 36,870
  4. Step 4: Simplify right side
    28,854x = 1,359,396,900
  5. Step 5: Solve for x
    x = 1,359,396,900/28,854
  6. Step 6: Final answer
    x = 47,112.94

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.