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Finding the Third Proportional to 79,524.75 and 122,977.50

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Solution

The third proportional to 79,524.75 and 122,977.50 is: 190,173.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,524.75 : 122,977.50 = 122,977.50 : x
  2. Step 2: Convert to fraction form
    79,524.75/122,977.50 = 122,977.50/x
  3. Step 3: Cross multiply
    79,524.75x = 122,977.50 × 122,977.50
  4. Step 4: Simplify right side
    79,524.75x = 15,123,465,506.25
  5. Step 5: Solve for x
    x = 15,123,465,506.25/79,524.75
  6. Step 6: Final answer
    x = 190,173.07

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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.