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Finding the Third Proportional to 9,270 and 19,866

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Solution

The third proportional to 9,270 and 19,866 is: 42,573.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270 : 19,866 = 19,866 : x
  2. Step 2: Convert to fraction form
    9,270/19,866 = 19,866/x
  3. Step 3: Cross multiply
    9,270x = 19,866 × 19,866
  4. Step 4: Simplify right side
    9,270x = 394,657,956
  5. Step 5: Solve for x
    x = 394,657,956/9,270
  6. Step 6: Final answer
    x = 42,573.67

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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.