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Finding the Third Proportional to 244,656 and 378,116

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Solution

The third proportional to 244,656 and 378,116 is: 584,378.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,656 : 378,116 = 378,116 : x
  2. Step 2: Convert to fraction form
    244,656/378,116 = 378,116/x
  3. Step 3: Cross multiply
    244,656x = 378,116 × 378,116
  4. Step 4: Simplify right side
    244,656x = 142,971,709,456
  5. Step 5: Solve for x
    x = 142,971,709,456/244,656
  6. Step 6: Final answer
    x = 584,378.51

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.