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Finding the Third Proportional to 28,827 and 45,126

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Solution

The third proportional to 28,827 and 45,126 is: 70,640.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827 : 45,126 = 45,126 : x
  2. Step 2: Convert to fraction form
    28,827/45,126 = 45,126/x
  3. Step 3: Cross multiply
    28,827x = 45,126 × 45,126
  4. Step 4: Simplify right side
    28,827x = 2,036,355,876
  5. Step 5: Solve for x
    x = 2,036,355,876/28,827
  6. Step 6: Final answer
    x = 70,640.58

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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.