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Finding the Third Proportional to 5,312.25 and 8,251.88

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Solution

The third proportional to 5,312.25 and 8,251.88 is: 12,818.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.25 : 8,251.88 = 8,251.88 : x
  2. Step 2: Convert to fraction form
    5,312.25/8,251.88 = 8,251.88/x
  3. Step 3: Cross multiply
    5,312.25x = 8,251.88 × 8,251.88
  4. Step 4: Simplify right side
    5,312.25x = 68,093,441.02
  5. Step 5: Solve for x
    x = 68,093,441.02/5,312.25
  6. Step 6: Final answer
    x = 12,818.19

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