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Finding the Third Proportional to 5,143.15 and 11,066.77

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Solution

The third proportional to 5,143.15 and 11,066.77 is: 23,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.15 : 11,066.77 = 11,066.77 : x
  2. Step 2: Convert to fraction form
    5,143.15/11,066.77 = 11,066.77/x
  3. Step 3: Cross multiply
    5,143.15x = 11,066.77 × 11,066.77
  4. Step 4: Simplify right side
    5,143.15x = 122,473,301.40
  5. Step 5: Solve for x
    x = 122,473,301.40/5,143.15
  6. Step 6: Final answer
    x = 23,812.90

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.