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Finding the Third Proportional to 8,888 and 19,356

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Solution

The third proportional to 8,888 and 19,356 is: 42,152.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888 : 19,356 = 19,356 : x
  2. Step 2: Convert to fraction form
    8,888/19,356 = 19,356/x
  3. Step 3: Cross multiply
    8,888x = 19,356 × 19,356
  4. Step 4: Simplify right side
    8,888x = 374,654,736
  5. Step 5: Solve for x
    x = 374,654,736/8,888
  6. Step 6: Final answer
    x = 42,152.87

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.