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Finding the Third Proportional to 8,924 and 18,826

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Solution

The third proportional to 8,924 and 18,826 is: 39,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924 : 18,826 = 18,826 : x
  2. Step 2: Convert to fraction form
    8,924/18,826 = 18,826/x
  3. Step 3: Cross multiply
    8,924x = 18,826 × 18,826
  4. Step 4: Simplify right side
    8,924x = 354,418,276
  5. Step 5: Solve for x
    x = 354,418,276/8,924
  6. Step 6: Final answer
    x = 39,715.18

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.