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Finding the Third Proportional to 8,931 and 19,092

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Solution

The third proportional to 8,931 and 19,092 is: 40,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931 : 19,092 = 19,092 : x
  2. Step 2: Convert to fraction form
    8,931/19,092 = 19,092/x
  3. Step 3: Cross multiply
    8,931x = 19,092 × 19,092
  4. Step 4: Simplify right side
    8,931x = 364,504,464
  5. Step 5: Solve for x
    x = 364,504,464/8,931
  6. Step 6: Final answer
    x = 40,813.40

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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.