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Finding the Third Proportional to 338,282 and 743,524

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Solution

The third proportional to 338,282 and 743,524 is: 1,634,222.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,282 : 743,524 = 743,524 : x
  2. Step 2: Convert to fraction form
    338,282/743,524 = 743,524/x
  3. Step 3: Cross multiply
    338,282x = 743,524 × 743,524
  4. Step 4: Simplify right side
    338,282x = 552,827,938,576
  5. Step 5: Solve for x
    x = 552,827,938,576/338,282
  6. Step 6: Final answer
    x = 1,634,222.15

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.