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Finding the Third Proportional to 1,878,455 and 4,063,198

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Solution

The third proportional to 1,878,455 and 4,063,198 is: 8,788,913.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,455 : 4,063,198 = 4,063,198 : x
  2. Step 2: Convert to fraction form
    1,878,455/4,063,198 = 4,063,198/x
  3. Step 3: Cross multiply
    1,878,455x = 4,063,198 × 4,063,198
  4. Step 4: Simplify right side
    1,878,455x = 16,509,577,987,204
  5. Step 5: Solve for x
    x = 16,509,577,987,204/1,878,455
  6. Step 6: Final answer
    x = 8,788,913.22

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.