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Finding the Third Proportional to 28,419 and 44,580.75

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Solution

The third proportional to 28,419 and 44,580.75 is: 69,933.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,419 : 44,580.75 = 44,580.75 : x
  2. Step 2: Convert to fraction form
    28,419/44,580.75 = 44,580.75/x
  3. Step 3: Cross multiply
    28,419x = 44,580.75 × 44,580.75
  4. Step 4: Simplify right side
    28,419x = 1,987,443,270.56
  5. Step 5: Solve for x
    x = 1,987,443,270.56/28,419
  6. Step 6: Final answer
    x = 69,933.61

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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.