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Finding the Third Proportional to 28,132.31 and 66,409.03

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Solution

The third proportional to 28,132.31 and 66,409.03 is: 156,764.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,132.31 : 66,409.03 = 66,409.03 : x
  2. Step 2: Convert to fraction form
    28,132.31/66,409.03 = 66,409.03/x
  3. Step 3: Cross multiply
    28,132.31x = 66,409.03 × 66,409.03
  4. Step 4: Simplify right side
    28,132.31x = 4,410,159,431.56
  5. Step 5: Solve for x
    x = 4,410,159,431.56/28,132.31
  6. Step 6: Final answer
    x = 156,764.91

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.