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Finding the Third Proportional to 137,643.75 and 303,226.13

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Solution

The third proportional to 137,643.75 and 303,226.13 is: 668,000.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,643.75 : 303,226.13 = 303,226.13 : x
  2. Step 2: Convert to fraction form
    137,643.75/303,226.13 = 303,226.13/x
  3. Step 3: Cross multiply
    137,643.75x = 303,226.13 × 303,226.13
  4. Step 4: Simplify right side
    137,643.75x = 91,946,082,882.52
  5. Step 5: Solve for x
    x = 91,946,082,882.52/137,643.75
  6. Step 6: Final answer
    x = 668,000.42

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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.