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Finding the Third Proportional to 299,398 and 452,200

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Solution

The third proportional to 299,398 and 452,200 is: 682,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,398 : 452,200 = 452,200 : x
  2. Step 2: Convert to fraction form
    299,398/452,200 = 452,200/x
  3. Step 3: Cross multiply
    299,398x = 452,200 × 452,200
  4. Step 4: Simplify right side
    299,398x = 204,484,840,000
  5. Step 5: Solve for x
    x = 204,484,840,000/299,398
  6. Step 6: Final answer
    x = 682,986.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.