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Finding the Third Proportional to 5,302.13 and 8,101.69

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Solution

The third proportional to 5,302.13 and 8,101.69 is: 12,379.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.13 : 8,101.69 = 8,101.69 : x
  2. Step 2: Convert to fraction form
    5,302.13/8,101.69 = 8,101.69/x
  3. Step 3: Cross multiply
    5,302.13x = 8,101.69 × 8,101.69
  4. Step 4: Simplify right side
    5,302.13x = 65,637,340.35
  5. Step 5: Solve for x
    x = 65,637,340.35/5,302.13
  6. Step 6: Final answer
    x = 12,379.44

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.