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Finding the Third Proportional to 9,329 and 14,129

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Solution

The third proportional to 9,329 and 14,129 is: 21,398.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329 : 14,129 = 14,129 : x
  2. Step 2: Convert to fraction form
    9,329/14,129 = 14,129/x
  3. Step 3: Cross multiply
    9,329x = 14,129 × 14,129
  4. Step 4: Simplify right side
    9,329x = 199,628,641
  5. Step 5: Solve for x
    x = 199,628,641/9,329
  6. Step 6: Final answer
    x = 21,398.72

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.