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Finding the Third Proportional to 4,905.75 and 5,310.75

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Solution

The third proportional to 4,905.75 and 5,310.75 is: 5,749.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.75 : 5,310.75 = 5,310.75 : x
  2. Step 2: Convert to fraction form
    4,905.75/5,310.75 = 5,310.75/x
  3. Step 3: Cross multiply
    4,905.75x = 5,310.75 × 5,310.75
  4. Step 4: Simplify right side
    4,905.75x = 28,204,065.56
  5. Step 5: Solve for x
    x = 28,204,065.56/4,905.75
  6. Step 6: Final answer
    x = 5,749.19

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These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.