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Finding the Third Proportional to 15,837 and 33,887

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Solution

The third proportional to 15,837 and 33,887 is: 72,509.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,837 : 33,887 = 33,887 : x
  2. Step 2: Convert to fraction form
    15,837/33,887 = 33,887/x
  3. Step 3: Cross multiply
    15,837x = 33,887 × 33,887
  4. Step 4: Simplify right side
    15,837x = 1,148,328,769
  5. Step 5: Solve for x
    x = 1,148,328,769/15,837
  6. Step 6: Final answer
    x = 72,509.24

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.