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Finding the Third Proportional to 7,302 and 11,685

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Solution

The third proportional to 7,302 and 11,685 is: 18,698.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,302 : 11,685 = 11,685 : x
  2. Step 2: Convert to fraction form
    7,302/11,685 = 11,685/x
  3. Step 3: Cross multiply
    7,302x = 11,685 × 11,685
  4. Step 4: Simplify right side
    7,302x = 136,539,225
  5. Step 5: Solve for x
    x = 136,539,225/7,302
  6. Step 6: Final answer
    x = 18,698.88

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.