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Finding the Third Proportional to 12,130 and 17,716

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Solution

The third proportional to 12,130 and 17,716 is: 25,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130 : 17,716 = 17,716 : x
  2. Step 2: Convert to fraction form
    12,130/17,716 = 17,716/x
  3. Step 3: Cross multiply
    12,130x = 17,716 × 17,716
  4. Step 4: Simplify right side
    12,130x = 313,856,656
  5. Step 5: Solve for x
    x = 313,856,656/12,130
  6. Step 6: Final answer
    x = 25,874.42

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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.