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Finding the Third Proportional to 25,989 and 56,640.75

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Solution

The third proportional to 25,989 and 56,640.75 is: 123,443.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,989 : 56,640.75 = 56,640.75 : x
  2. Step 2: Convert to fraction form
    25,989/56,640.75 = 56,640.75/x
  3. Step 3: Cross multiply
    25,989x = 56,640.75 × 56,640.75
  4. Step 4: Simplify right side
    25,989x = 3,208,174,560.56
  5. Step 5: Solve for x
    x = 3,208,174,560.56/25,989
  6. Step 6: Final answer
    x = 123,443.56

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.