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Finding the Third Proportional to 5,400.75 and 7,723.13

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Solution

The third proportional to 5,400.75 and 7,723.13 is: 11,044.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.75 : 7,723.13 = 7,723.13 : x
  2. Step 2: Convert to fraction form
    5,400.75/7,723.13 = 7,723.13/x
  3. Step 3: Cross multiply
    5,400.75x = 7,723.13 × 7,723.13
  4. Step 4: Simplify right side
    5,400.75x = 59,646,659.77
  5. Step 5: Solve for x
    x = 59,646,659.77/5,400.75
  6. Step 6: Final answer
    x = 11,044.14

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.