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Finding the Third Proportional to 62,176.50 and 131,739.75

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Solution

The third proportional to 62,176.50 and 131,739.75 is: 279,130.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,176.50 : 131,739.75 = 131,739.75 : x
  2. Step 2: Convert to fraction form
    62,176.50/131,739.75 = 131,739.75/x
  3. Step 3: Cross multiply
    62,176.50x = 131,739.75 × 131,739.75
  4. Step 4: Simplify right side
    62,176.50x = 17,355,361,730.06
  5. Step 5: Solve for x
    x = 17,355,361,730.06/62,176.50
  6. Step 6: Final answer
    x = 279,130.57

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.