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Finding the Third Proportional to 6,502.78 and 8,386.03

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Solution

The third proportional to 6,502.78 and 8,386.03 is: 10,814.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,502.78 : 8,386.03 = 8,386.03 : x
  2. Step 2: Convert to fraction form
    6,502.78/8,386.03 = 8,386.03/x
  3. Step 3: Cross multiply
    6,502.78x = 8,386.03 × 8,386.03
  4. Step 4: Simplify right side
    6,502.78x = 70,325,520.13
  5. Step 5: Solve for x
    x = 70,325,520.13/6,502.78
  6. Step 6: Final answer
    x = 10,814.68

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.