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Finding the Third Proportional to 753,634.13 and 1,638,164.25

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Solution

The third proportional to 753,634.13 and 1,638,164.25 is: 3,560,855.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,634.13 : 1,638,164.25 = 1,638,164.25 : x
  2. Step 2: Convert to fraction form
    753,634.13/1,638,164.25 = 1,638,164.25/x
  3. Step 3: Cross multiply
    753,634.13x = 1,638,164.25 × 1,638,164.25
  4. Step 4: Simplify right side
    753,634.13x = 2,683,582,109,978.06
  5. Step 5: Solve for x
    x = 2,683,582,109,978.06/753,634.13
  6. Step 6: Final answer
    x = 3,560,855.36

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.