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Finding the Third Proportional to 13,723.50 and 16,707

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Solution

The third proportional to 13,723.50 and 16,707 is: 20,339.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.50 : 16,707 = 16,707 : x
  2. Step 2: Convert to fraction form
    13,723.50/16,707 = 16,707/x
  3. Step 3: Cross multiply
    13,723.50x = 16,707 × 16,707
  4. Step 4: Simplify right side
    13,723.50x = 279,123,849
  5. Step 5: Solve for x
    x = 279,123,849/13,723.50
  6. Step 6: Final answer
    x = 20,339.12

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.