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Finding the Third Proportional to 264,418 and 515,552

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Solution

The third proportional to 264,418 and 515,552 is: 1,005,203.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,418 : 515,552 = 515,552 : x
  2. Step 2: Convert to fraction form
    264,418/515,552 = 515,552/x
  3. Step 3: Cross multiply
    264,418x = 515,552 × 515,552
  4. Step 4: Simplify right side
    264,418x = 265,793,864,704
  5. Step 5: Solve for x
    x = 265,793,864,704/264,418
  6. Step 6: Final answer
    x = 1,005,203.37

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.