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Finding the Third Proportional to 4,334 and 8,786

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Solution

The third proportional to 4,334 and 8,786 is: 17,811.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,334 : 8,786 = 8,786 : x
  2. Step 2: Convert to fraction form
    4,334/8,786 = 8,786/x
  3. Step 3: Cross multiply
    4,334x = 8,786 × 8,786
  4. Step 4: Simplify right side
    4,334x = 77,193,796
  5. Step 5: Solve for x
    x = 77,193,796/4,334
  6. Step 6: Final answer
    x = 17,811.21

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.