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Finding the Third Proportional to 6,378.19 and 9,574.31

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Solution

The third proportional to 6,378.19 and 9,574.31 is: 14,372.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.19 : 9,574.31 = 9,574.31 : x
  2. Step 2: Convert to fraction form
    6,378.19/9,574.31 = 9,574.31/x
  3. Step 3: Cross multiply
    6,378.19x = 9,574.31 × 9,574.31
  4. Step 4: Simplify right side
    6,378.19x = 91,667,459.85
  5. Step 5: Solve for x
    x = 91,667,459.85/6,378.19
  6. Step 6: Final answer
    x = 14,372.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.