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Finding the Third Proportional to 6,378.75 and 9,628.88

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Solution

The third proportional to 6,378.75 and 9,628.88 is: 14,535.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.75 : 9,628.88 = 9,628.88 : x
  2. Step 2: Convert to fraction form
    6,378.75/9,628.88 = 9,628.88/x
  3. Step 3: Cross multiply
    6,378.75x = 9,628.88 × 9,628.88
  4. Step 4: Simplify right side
    6,378.75x = 92,715,233.77
  5. Step 5: Solve for x
    x = 92,715,233.77/6,378.75
  6. Step 6: Final answer
    x = 14,535.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.