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Finding the Third Proportional to 15,826 and 34,828

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Solution

The third proportional to 15,826 and 34,828 is: 76,645.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,826 : 34,828 = 34,828 : x
  2. Step 2: Convert to fraction form
    15,826/34,828 = 34,828/x
  3. Step 3: Cross multiply
    15,826x = 34,828 × 34,828
  4. Step 4: Simplify right side
    15,826x = 1,212,989,584
  5. Step 5: Solve for x
    x = 1,212,989,584/15,826
  6. Step 6: Final answer
    x = 76,645.37

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.