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Finding the Third Proportional to 244,912 and 378,292

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Solution

The third proportional to 244,912 and 378,292 is: 584,311.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,912 : 378,292 = 378,292 : x
  2. Step 2: Convert to fraction form
    244,912/378,292 = 378,292/x
  3. Step 3: Cross multiply
    244,912x = 378,292 × 378,292
  4. Step 4: Simplify right side
    244,912x = 143,104,837,264
  5. Step 5: Solve for x
    x = 143,104,837,264/244,912
  6. Step 6: Final answer
    x = 584,311.25

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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.