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Finding the Third Proportional to 829,665.13 and 1,805,338.25

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Solution

The third proportional to 829,665.13 and 1,805,338.25 is: 3,928,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,665.13 : 1,805,338.25 = 1,805,338.25 : x
  2. Step 2: Convert to fraction form
    829,665.13/1,805,338.25 = 1,805,338.25/x
  3. Step 3: Cross multiply
    829,665.13x = 1,805,338.25 × 1,805,338.25
  4. Step 4: Simplify right side
    829,665.13x = 3,259,246,196,913.06
  5. Step 5: Solve for x
    x = 3,259,246,196,913.06/829,665.13
  6. Step 6: Final answer
    x = 3,928,387.61

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.