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Finding the Third Proportional to 6,877 and 10,378.50

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Solution

The third proportional to 6,877 and 10,378.50 is: 15,662.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877 : 10,378.50 = 10,378.50 : x
  2. Step 2: Convert to fraction form
    6,877/10,378.50 = 10,378.50/x
  3. Step 3: Cross multiply
    6,877x = 10,378.50 × 10,378.50
  4. Step 4: Simplify right side
    6,877x = 107,713,262.25
  5. Step 5: Solve for x
    x = 107,713,262.25/6,877
  6. Step 6: Final answer
    x = 15,662.83

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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.