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Finding the Third Proportional to 338,436 and 752,518

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Solution

The third proportional to 338,436 and 752,518 is: 1,673,236.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,436 : 752,518 = 752,518 : x
  2. Step 2: Convert to fraction form
    338,436/752,518 = 752,518/x
  3. Step 3: Cross multiply
    338,436x = 752,518 × 752,518
  4. Step 4: Simplify right side
    338,436x = 566,283,340,324
  5. Step 5: Solve for x
    x = 566,283,340,324/338,436
  6. Step 6: Final answer
    x = 1,673,236.12

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.