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Finding the Third Proportional to 2,186,891.16 and 3,078,278.44

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Solution

The third proportional to 2,186,891.16 and 3,078,278.44 is: 4,332,999.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,891.16 : 3,078,278.44 = 3,078,278.44 : x
  2. Step 2: Convert to fraction form
    2,186,891.16/3,078,278.44 = 3,078,278.44/x
  3. Step 3: Cross multiply
    2,186,891.16x = 3,078,278.44 × 3,078,278.44
  4. Step 4: Simplify right side
    2,186,891.16x = 9,475,798,138,777.44
  5. Step 5: Solve for x
    x = 9,475,798,138,777.44/2,186,891.16
  6. Step 6: Final answer
    x = 4,332,999.43

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.