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Finding the Third Proportional to 12,903 and 14,118

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Solution

The third proportional to 12,903 and 14,118 is: 15,447.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903 : 14,118 = 14,118 : x
  2. Step 2: Convert to fraction form
    12,903/14,118 = 14,118/x
  3. Step 3: Cross multiply
    12,903x = 14,118 × 14,118
  4. Step 4: Simplify right side
    12,903x = 199,317,924
  5. Step 5: Solve for x
    x = 199,317,924/12,903
  6. Step 6: Final answer
    x = 15,447.41

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.