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Finding the Third Proportional to 150,539.77 and 220,158

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Solution

The third proportional to 150,539.77 and 220,158 is: 321,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,539.77 : 220,158 = 220,158 : x
  2. Step 2: Convert to fraction form
    150,539.77/220,158 = 220,158/x
  3. Step 3: Cross multiply
    150,539.77x = 220,158 × 220,158
  4. Step 4: Simplify right side
    150,539.77x = 48,469,544,964
  5. Step 5: Solve for x
    x = 48,469,544,964/150,539.77
  6. Step 6: Final answer
    x = 321,971.70

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.