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Finding the Third Proportional to 55,607.75 and 131,213.50

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Solution

The third proportional to 55,607.75 and 131,213.50 is: 309,614.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,607.75 : 131,213.50 = 131,213.50 : x
  2. Step 2: Convert to fraction form
    55,607.75/131,213.50 = 131,213.50/x
  3. Step 3: Cross multiply
    55,607.75x = 131,213.50 × 131,213.50
  4. Step 4: Simplify right side
    55,607.75x = 17,216,982,582.25
  5. Step 5: Solve for x
    x = 17,216,982,582.25/55,607.75
  6. Step 6: Final answer
    x = 309,614.80

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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.