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Finding the Third Proportional to 3,614.63 and 8,614.13

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Solution

The third proportional to 3,614.63 and 8,614.13 is: 20,528.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.63 : 8,614.13 = 8,614.13 : x
  2. Step 2: Convert to fraction form
    3,614.63/8,614.13 = 8,614.13/x
  3. Step 3: Cross multiply
    3,614.63x = 8,614.13 × 8,614.13
  4. Step 4: Simplify right side
    3,614.63x = 74,203,149.52
  5. Step 5: Solve for x
    x = 74,203,149.52/3,614.63
  6. Step 6: Final answer
    x = 20,528.59

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Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.