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Finding the Third Proportional to 13,695.75 and 18,208.13

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Solution

The third proportional to 13,695.75 and 18,208.13 is: 24,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.75 : 18,208.13 = 18,208.13 : x
  2. Step 2: Convert to fraction form
    13,695.75/18,208.13 = 18,208.13/x
  3. Step 3: Cross multiply
    13,695.75x = 18,208.13 × 18,208.13
  4. Step 4: Simplify right side
    13,695.75x = 331,535,816.02
  5. Step 5: Solve for x
    x = 331,535,816.02/13,695.75
  6. Step 6: Final answer
    x = 24,207.20

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.