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Finding the Third Proportional to 155,539.50 and 240,183

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Solution

The third proportional to 155,539.50 and 240,183 is: 370,888.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,539.50 : 240,183 = 240,183 : x
  2. Step 2: Convert to fraction form
    155,539.50/240,183 = 240,183/x
  3. Step 3: Cross multiply
    155,539.50x = 240,183 × 240,183
  4. Step 4: Simplify right side
    155,539.50x = 57,687,873,489
  5. Step 5: Solve for x
    x = 57,687,873,489/155,539.50
  6. Step 6: Final answer
    x = 370,888.90

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.