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Finding the Third Proportional to 265,732 and 394,814

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Solution

The third proportional to 265,732 and 394,814 is: 586,598.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,732 : 394,814 = 394,814 : x
  2. Step 2: Convert to fraction form
    265,732/394,814 = 394,814/x
  3. Step 3: Cross multiply
    265,732x = 394,814 × 394,814
  4. Step 4: Simplify right side
    265,732x = 155,878,094,596
  5. Step 5: Solve for x
    x = 155,878,094,596/265,732
  6. Step 6: Final answer
    x = 586,598.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.