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Finding the Third Proportional to 356,858 and 484,414

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Solution

The third proportional to 356,858 and 484,414 is: 657,563.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,858 : 484,414 = 484,414 : x
  2. Step 2: Convert to fraction form
    356,858/484,414 = 484,414/x
  3. Step 3: Cross multiply
    356,858x = 484,414 × 484,414
  4. Step 4: Simplify right side
    356,858x = 234,656,923,396
  5. Step 5: Solve for x
    x = 234,656,923,396/356,858
  6. Step 6: Final answer
    x = 657,563.86

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.