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Finding the Third Proportional to 292,708 and 608,378

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Solution

The third proportional to 292,708 and 608,378 is: 1,264,481.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,708 : 608,378 = 608,378 : x
  2. Step 2: Convert to fraction form
    292,708/608,378 = 608,378/x
  3. Step 3: Cross multiply
    292,708x = 608,378 × 608,378
  4. Step 4: Simplify right side
    292,708x = 370,123,790,884
  5. Step 5: Solve for x
    x = 370,123,790,884/292,708
  6. Step 6: Final answer
    x = 1,264,481.29

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.