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Finding the Third Proportional to 267,664 and 403,764

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Solution

The third proportional to 267,664 and 403,764 is: 609,067.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,664 : 403,764 = 403,764 : x
  2. Step 2: Convert to fraction form
    267,664/403,764 = 403,764/x
  3. Step 3: Cross multiply
    267,664x = 403,764 × 403,764
  4. Step 4: Simplify right side
    267,664x = 163,025,367,696
  5. Step 5: Solve for x
    x = 163,025,367,696/267,664
  6. Step 6: Final answer
    x = 609,067.22

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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.