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Finding the Third Proportional to 8,958 and 13,127

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Solution

The third proportional to 8,958 and 13,127 is: 19,236.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958 : 13,127 = 13,127 : x
  2. Step 2: Convert to fraction form
    8,958/13,127 = 13,127/x
  3. Step 3: Cross multiply
    8,958x = 13,127 × 13,127
  4. Step 4: Simplify right side
    8,958x = 172,318,129
  5. Step 5: Solve for x
    x = 172,318,129/8,958
  6. Step 6: Final answer
    x = 19,236.23

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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.