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Finding the Third Proportional to 19,014.75 and 28,530

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Solution

The third proportional to 19,014.75 and 28,530 is: 42,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014.75 : 28,530 = 28,530 : x
  2. Step 2: Convert to fraction form
    19,014.75/28,530 = 28,530/x
  3. Step 3: Cross multiply
    19,014.75x = 28,530 × 28,530
  4. Step 4: Simplify right side
    19,014.75x = 813,960,900
  5. Step 5: Solve for x
    x = 813,960,900/19,014.75
  6. Step 6: Final answer
    x = 42,806.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.