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Finding the Third Proportional to 275,395.50 and 604,990.50

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Solution

The third proportional to 275,395.50 and 604,990.50 is: 1,329,046.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,395.50 : 604,990.50 = 604,990.50 : x
  2. Step 2: Convert to fraction form
    275,395.50/604,990.50 = 604,990.50/x
  3. Step 3: Cross multiply
    275,395.50x = 604,990.50 × 604,990.50
  4. Step 4: Simplify right side
    275,395.50x = 366,013,505,090.25
  5. Step 5: Solve for x
    x = 366,013,505,090.25/275,395.50
  6. Step 6: Final answer
    x = 1,329,046.79

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.