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Finding the Third Proportional to 9,176 and 19,771

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Solution

The third proportional to 9,176 and 19,771 is: 42,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176 : 19,771 = 19,771 : x
  2. Step 2: Convert to fraction form
    9,176/19,771 = 19,771/x
  3. Step 3: Cross multiply
    9,176x = 19,771 × 19,771
  4. Step 4: Simplify right side
    9,176x = 390,892,441
  5. Step 5: Solve for x
    x = 390,892,441/9,176
  6. Step 6: Final answer
    x = 42,599.44

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.