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Finding the Third Proportional to 8,812 and 19,262

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Solution

The third proportional to 8,812 and 19,262 is: 42,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812 : 19,262 = 19,262 : x
  2. Step 2: Convert to fraction form
    8,812/19,262 = 19,262/x
  3. Step 3: Cross multiply
    8,812x = 19,262 × 19,262
  4. Step 4: Simplify right side
    8,812x = 371,024,644
  5. Step 5: Solve for x
    x = 371,024,644/8,812
  6. Step 6: Final answer
    x = 42,104.48

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.