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Finding the Third Proportional to 8,929 and 13,132

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Solution

The third proportional to 8,929 and 13,132 is: 19,313.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929 : 13,132 = 13,132 : x
  2. Step 2: Convert to fraction form
    8,929/13,132 = 13,132/x
  3. Step 3: Cross multiply
    8,929x = 13,132 × 13,132
  4. Step 4: Simplify right side
    8,929x = 172,449,424
  5. Step 5: Solve for x
    x = 172,449,424/8,929
  6. Step 6: Final answer
    x = 19,313.41

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.