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Finding the Third Proportional to 18,048 and 28,318.50

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Solution

The third proportional to 18,048 and 28,318.50 is: 44,433.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048 : 28,318.50 = 28,318.50 : x
  2. Step 2: Convert to fraction form
    18,048/28,318.50 = 28,318.50/x
  3. Step 3: Cross multiply
    18,048x = 28,318.50 × 28,318.50
  4. Step 4: Simplify right side
    18,048x = 801,937,442.25
  5. Step 5: Solve for x
    x = 801,937,442.25/18,048
  6. Step 6: Final answer
    x = 44,433.59

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.