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Finding the Third Proportional to 765,893.81 and 1,805,388.75

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Solution

The third proportional to 765,893.81 and 1,805,388.75 is: 4,255,718.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,893.81 : 1,805,388.75 = 1,805,388.75 : x
  2. Step 2: Convert to fraction form
    765,893.81/1,805,388.75 = 1,805,388.75/x
  3. Step 3: Cross multiply
    765,893.81x = 1,805,388.75 × 1,805,388.75
  4. Step 4: Simplify right side
    765,893.81x = 3,259,428,538,626.56
  5. Step 5: Solve for x
    x = 3,259,428,538,626.56/765,893.81
  6. Step 6: Final answer
    x = 4,255,718.59

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.