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Finding the Third Proportional to 338,712.75 and 730,299.75

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Solution

The third proportional to 338,712.75 and 730,299.75 is: 1,574,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,712.75 : 730,299.75 = 730,299.75 : x
  2. Step 2: Convert to fraction form
    338,712.75/730,299.75 = 730,299.75/x
  3. Step 3: Cross multiply
    338,712.75x = 730,299.75 × 730,299.75
  4. Step 4: Simplify right side
    338,712.75x = 533,337,724,850.06
  5. Step 5: Solve for x
    x = 533,337,724,850.06/338,712.75
  6. Step 6: Final answer
    x = 1,574,601.86

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.