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Finding the Third Proportional to 9,272 and 19,894

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Solution

The third proportional to 9,272 and 19,894 is: 42,684.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272 : 19,894 = 19,894 : x
  2. Step 2: Convert to fraction form
    9,272/19,894 = 19,894/x
  3. Step 3: Cross multiply
    9,272x = 19,894 × 19,894
  4. Step 4: Simplify right side
    9,272x = 395,771,236
  5. Step 5: Solve for x
    x = 395,771,236/9,272
  6. Step 6: Final answer
    x = 42,684.56

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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.