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Finding the Third Proportional to 13,286 and 28,723

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Solution

The third proportional to 13,286 and 28,723 is: 62,096.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286 : 28,723 = 28,723 : x
  2. Step 2: Convert to fraction form
    13,286/28,723 = 28,723/x
  3. Step 3: Cross multiply
    13,286x = 28,723 × 28,723
  4. Step 4: Simplify right side
    13,286x = 825,010,729
  5. Step 5: Solve for x
    x = 825,010,729/13,286
  6. Step 6: Final answer
    x = 62,096.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.