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Finding the Third Proportional to 753,636 and 1,638,168.75

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Solution

The third proportional to 753,636 and 1,638,168.75 is: 3,560,866.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,636 : 1,638,168.75 = 1,638,168.75 : x
  2. Step 2: Convert to fraction form
    753,636/1,638,168.75 = 1,638,168.75/x
  3. Step 3: Cross multiply
    753,636x = 1,638,168.75 × 1,638,168.75
  4. Step 4: Simplify right side
    753,636x = 2,683,596,853,476.56
  5. Step 5: Solve for x
    x = 2,683,596,853,476.56/753,636
  6. Step 6: Final answer
    x = 3,560,866.06

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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.