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Finding the Third Proportional to 2,928 and 4,550.25

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Solution

The third proportional to 2,928 and 4,550.25 is: 7,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928 : 4,550.25 = 4,550.25 : x
  2. Step 2: Convert to fraction form
    2,928/4,550.25 = 4,550.25/x
  3. Step 3: Cross multiply
    2,928x = 4,550.25 × 4,550.25
  4. Step 4: Simplify right side
    2,928x = 20,704,775.06
  5. Step 5: Solve for x
    x = 20,704,775.06/2,928
  6. Step 6: Final answer
    x = 7,071.30

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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.