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Finding the Third Proportional to 10,245.50 and 15,823

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Solution

The third proportional to 10,245.50 and 15,823 is: 24,436.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245.50 : 15,823 = 15,823 : x
  2. Step 2: Convert to fraction form
    10,245.50/15,823 = 15,823/x
  3. Step 3: Cross multiply
    10,245.50x = 15,823 × 15,823
  4. Step 4: Simplify right side
    10,245.50x = 250,367,329
  5. Step 5: Solve for x
    x = 250,367,329/10,245.50
  6. Step 6: Final answer
    x = 24,436.81

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.