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Finding the Third Proportional to 1,996,979 and 4,367,206

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Solution

The third proportional to 1,996,979 and 4,367,206 is: 9,550,670.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,979 : 4,367,206 = 4,367,206 : x
  2. Step 2: Convert to fraction form
    1,996,979/4,367,206 = 4,367,206/x
  3. Step 3: Cross multiply
    1,996,979x = 4,367,206 × 4,367,206
  4. Step 4: Simplify right side
    1,996,979x = 19,072,488,246,436
  5. Step 5: Solve for x
    x = 19,072,488,246,436/1,996,979
  6. Step 6: Final answer
    x = 9,550,670.41

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.