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Finding the Third Proportional to 1,681,805 and 2,627,684

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Solution

The third proportional to 1,681,805 and 2,627,684 is: 4,105,543.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,805 : 2,627,684 = 2,627,684 : x
  2. Step 2: Convert to fraction form
    1,681,805/2,627,684 = 2,627,684/x
  3. Step 3: Cross multiply
    1,681,805x = 2,627,684 × 2,627,684
  4. Step 4: Simplify right side
    1,681,805x = 6,904,723,203,856
  5. Step 5: Solve for x
    x = 6,904,723,203,856/1,681,805
  6. Step 6: Final answer
    x = 4,105,543.27

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.