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Finding the Third Proportional to 11,603 and 16,986

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Solution

The third proportional to 11,603 and 16,986 is: 24,866.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,603 : 16,986 = 16,986 : x
  2. Step 2: Convert to fraction form
    11,603/16,986 = 16,986/x
  3. Step 3: Cross multiply
    11,603x = 16,986 × 16,986
  4. Step 4: Simplify right side
    11,603x = 288,524,196
  5. Step 5: Solve for x
    x = 288,524,196/11,603
  6. Step 6: Final answer
    x = 24,866.34

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.