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Finding the Third Proportional to 58,852.88 and 128,640.75

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Solution

The third proportional to 58,852.88 and 128,640.75 is: 281,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,852.88 : 128,640.75 = 128,640.75 : x
  2. Step 2: Convert to fraction form
    58,852.88/128,640.75 = 128,640.75/x
  3. Step 3: Cross multiply
    58,852.88x = 128,640.75 × 128,640.75
  4. Step 4: Simplify right side
    58,852.88x = 16,548,442,560.56
  5. Step 5: Solve for x
    x = 16,548,442,560.56/58,852.88
  6. Step 6: Final answer
    x = 281,183.25

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.