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Finding the Third Proportional to 43,177 and 66,611.50

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Solution

The third proportional to 43,177 and 66,611.50 is: 102,765.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,177 : 66,611.50 = 66,611.50 : x
  2. Step 2: Convert to fraction form
    43,177/66,611.50 = 66,611.50/x
  3. Step 3: Cross multiply
    43,177x = 66,611.50 × 66,611.50
  4. Step 4: Simplify right side
    43,177x = 4,437,091,932.25
  5. Step 5: Solve for x
    x = 4,437,091,932.25/43,177
  6. Step 6: Final answer
    x = 102,765.17

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.