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Finding the Third Proportional to 11,127 and 16,971

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Solution

The third proportional to 11,127 and 16,971 is: 25,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127 : 16,971 = 16,971 : x
  2. Step 2: Convert to fraction form
    11,127/16,971 = 16,971/x
  3. Step 3: Cross multiply
    11,127x = 16,971 × 16,971
  4. Step 4: Simplify right side
    11,127x = 288,014,841
  5. Step 5: Solve for x
    x = 288,014,841/11,127
  6. Step 6: Final answer
    x = 25,884.32

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.