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Finding the Third Proportional to 8,890 and 19,348

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Solution

The third proportional to 8,890 and 19,348 is: 42,108.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890 : 19,348 = 19,348 : x
  2. Step 2: Convert to fraction form
    8,890/19,348 = 19,348/x
  3. Step 3: Cross multiply
    8,890x = 19,348 × 19,348
  4. Step 4: Simplify right side
    8,890x = 374,345,104
  5. Step 5: Solve for x
    x = 374,345,104/8,890
  6. Step 6: Final answer
    x = 42,108.56

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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.