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Finding the Third Proportional to 55,132.50 and 120,771.75

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Solution

The third proportional to 55,132.50 and 120,771.75 is: 264,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,132.50 : 120,771.75 = 120,771.75 : x
  2. Step 2: Convert to fraction form
    55,132.50/120,771.75 = 120,771.75/x
  3. Step 3: Cross multiply
    55,132.50x = 120,771.75 × 120,771.75
  4. Step 4: Simplify right side
    55,132.50x = 14,585,815,598.06
  5. Step 5: Solve for x
    x = 14,585,815,598.06/55,132.50
  6. Step 6: Final answer
    x = 264,559.30

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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.