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Finding the Third Proportional to 9,837 and 15,723

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Solution

The third proportional to 9,837 and 15,723 is: 25,130.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,837 : 15,723 = 15,723 : x
  2. Step 2: Convert to fraction form
    9,837/15,723 = 15,723/x
  3. Step 3: Cross multiply
    9,837x = 15,723 × 15,723
  4. Step 4: Simplify right side
    9,837x = 247,212,729
  5. Step 5: Solve for x
    x = 247,212,729/9,837
  6. Step 6: Final answer
    x = 25,130.91

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.