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Finding the Third Proportional to 21,217 and 44,186

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Solution

The third proportional to 21,217 and 44,186 is: 92,020.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,217 : 44,186 = 44,186 : x
  2. Step 2: Convert to fraction form
    21,217/44,186 = 44,186/x
  3. Step 3: Cross multiply
    21,217x = 44,186 × 44,186
  4. Step 4: Simplify right side
    21,217x = 1,952,402,596
  5. Step 5: Solve for x
    x = 1,952,402,596/21,217
  6. Step 6: Final answer
    x = 92,020.67

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.