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Finding the Third Proportional to 120,379.50 and 183,775.50

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Solution

The third proportional to 120,379.50 and 183,775.50 is: 280,558.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,379.50 : 183,775.50 = 183,775.50 : x
  2. Step 2: Convert to fraction form
    120,379.50/183,775.50 = 183,775.50/x
  3. Step 3: Cross multiply
    120,379.50x = 183,775.50 × 183,775.50
  4. Step 4: Simplify right side
    120,379.50x = 33,773,434,400.25
  5. Step 5: Solve for x
    x = 33,773,434,400.25/120,379.50
  6. Step 6: Final answer
    x = 280,558.02

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.