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Finding the Third Proportional to 338,664 and 740,295

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Solution

The third proportional to 338,664 and 740,295 is: 1,618,231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,664 : 740,295 = 740,295 : x
  2. Step 2: Convert to fraction form
    338,664/740,295 = 740,295/x
  3. Step 3: Cross multiply
    338,664x = 740,295 × 740,295
  4. Step 4: Simplify right side
    338,664x = 548,036,687,025
  5. Step 5: Solve for x
    x = 548,036,687,025/338,664
  6. Step 6: Final answer
    x = 1,618,231.31

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.