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Finding the Third Proportional to 28,863 and 62,190

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Solution

The third proportional to 28,863 and 62,190 is: 133,998.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,863 : 62,190 = 62,190 : x
  2. Step 2: Convert to fraction form
    28,863/62,190 = 62,190/x
  3. Step 3: Cross multiply
    28,863x = 62,190 × 62,190
  4. Step 4: Simplify right side
    28,863x = 3,867,596,100
  5. Step 5: Solve for x
    x = 3,867,596,100/28,863
  6. Step 6: Final answer
    x = 133,998.41

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.