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Finding the Third Proportional to 166,660.03 and 258,453.28

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Solution

The third proportional to 166,660.03 and 258,453.28 is: 400,804.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,660.03 : 258,453.28 = 258,453.28 : x
  2. Step 2: Convert to fraction form
    166,660.03/258,453.28 = 258,453.28/x
  3. Step 3: Cross multiply
    166,660.03x = 258,453.28 × 258,453.28
  4. Step 4: Simplify right side
    166,660.03x = 66,798,098,588.89
  5. Step 5: Solve for x
    x = 66,798,098,588.89/166,660.03
  6. Step 6: Final answer
    x = 400,804.55

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.