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Finding the Third Proportional to 5,574 and 7,845

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Solution

The third proportional to 5,574 and 7,845 is: 11,041.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574 : 7,845 = 7,845 : x
  2. Step 2: Convert to fraction form
    5,574/7,845 = 7,845/x
  3. Step 3: Cross multiply
    5,574x = 7,845 × 7,845
  4. Step 4: Simplify right side
    5,574x = 61,544,025
  5. Step 5: Solve for x
    x = 61,544,025/5,574
  6. Step 6: Final answer
    x = 11,041.27

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.