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Finding the Third Proportional to 55,402.75 and 91,020.75

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Solution

The third proportional to 55,402.75 and 91,020.75 is: 149,537.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,402.75 : 91,020.75 = 91,020.75 : x
  2. Step 2: Convert to fraction form
    55,402.75/91,020.75 = 91,020.75/x
  3. Step 3: Cross multiply
    55,402.75x = 91,020.75 × 91,020.75
  4. Step 4: Simplify right side
    55,402.75x = 8,284,776,930.56
  5. Step 5: Solve for x
    x = 8,284,776,930.56/55,402.75
  6. Step 6: Final answer
    x = 149,537.29

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.