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Finding the Third Proportional to 363,734 and 790,426

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Solution

The third proportional to 363,734 and 790,426 is: 1,717,665.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,734 : 790,426 = 790,426 : x
  2. Step 2: Convert to fraction form
    363,734/790,426 = 790,426/x
  3. Step 3: Cross multiply
    363,734x = 790,426 × 790,426
  4. Step 4: Simplify right side
    363,734x = 624,773,261,476
  5. Step 5: Solve for x
    x = 624,773,261,476/363,734
  6. Step 6: Final answer
    x = 1,717,665.28

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.