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Finding the Third Proportional to 275,394.75 and 604,989

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Solution

The third proportional to 275,394.75 and 604,989 is: 1,329,043.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,394.75 : 604,989 = 604,989 : x
  2. Step 2: Convert to fraction form
    275,394.75/604,989 = 604,989/x
  3. Step 3: Cross multiply
    275,394.75x = 604,989 × 604,989
  4. Step 4: Simplify right side
    275,394.75x = 366,011,690,121
  5. Step 5: Solve for x
    x = 366,011,690,121/275,394.75
  6. Step 6: Final answer
    x = 1,329,043.82

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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.