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Finding the Third Proportional to 3,610.13 and 8,385.75

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Solution

The third proportional to 3,610.13 and 8,385.75 is: 19,478.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.13 : 8,385.75 = 8,385.75 : x
  2. Step 2: Convert to fraction form
    3,610.13/8,385.75 = 8,385.75/x
  3. Step 3: Cross multiply
    3,610.13x = 8,385.75 × 8,385.75
  4. Step 4: Simplify right side
    3,610.13x = 70,320,803.06
  5. Step 5: Solve for x
    x = 70,320,803.06/3,610.13
  6. Step 6: Final answer
    x = 19,478.77

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.