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Finding the Third Proportional to 12,188 and 26,630

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Solution

The third proportional to 12,188 and 26,630 is: 58,184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188 : 26,630 = 26,630 : x
  2. Step 2: Convert to fraction form
    12,188/26,630 = 26,630/x
  3. Step 3: Cross multiply
    12,188x = 26,630 × 26,630
  4. Step 4: Simplify right side
    12,188x = 709,156,900
  5. Step 5: Solve for x
    x = 709,156,900/12,188
  6. Step 6: Final answer
    x = 58,184.85

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.