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Finding the Third Proportional to 338,220.19 and 704,427

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Solution

The third proportional to 338,220.19 and 704,427 is: 1,467,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,220.19 : 704,427 = 704,427 : x
  2. Step 2: Convert to fraction form
    338,220.19/704,427 = 704,427/x
  3. Step 3: Cross multiply
    338,220.19x = 704,427 × 704,427
  4. Step 4: Simplify right side
    338,220.19x = 496,217,398,329
  5. Step 5: Solve for x
    x = 496,217,398,329/338,220.19
  6. Step 6: Final answer
    x = 1,467,143.05

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.