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Finding the Third Proportional to 13,122 and 28,660

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Solution

The third proportional to 13,122 and 28,660 is: 62,596.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122 : 28,660 = 28,660 : x
  2. Step 2: Convert to fraction form
    13,122/28,660 = 28,660/x
  3. Step 3: Cross multiply
    13,122x = 28,660 × 28,660
  4. Step 4: Simplify right side
    13,122x = 821,395,600
  5. Step 5: Solve for x
    x = 821,395,600/13,122
  6. Step 6: Final answer
    x = 62,596.83

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.