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Finding the Third Proportional to 936.50 and 1,828

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Solution

The third proportional to 936.50 and 1,828 is: 3,568.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    936.50 : 1,828 = 1,828 : x
  2. Step 2: Convert to fraction form
    936.50/1,828 = 1,828/x
  3. Step 3: Cross multiply
    936.50x = 1,828 × 1,828
  4. Step 4: Simplify right side
    936.50x = 3,341,584
  5. Step 5: Solve for x
    x = 3,341,584/936.50
  6. Step 6: Final answer
    x = 3,568.16

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.