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Finding the Third Proportional to 3,196,368 and 6,981,768

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Solution

The third proportional to 3,196,368 and 6,981,768 is: 15,250,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196,368 : 6,981,768 = 6,981,768 : x
  2. Step 2: Convert to fraction form
    3,196,368/6,981,768 = 6,981,768/x
  3. Step 3: Cross multiply
    3,196,368x = 6,981,768 × 6,981,768
  4. Step 4: Simplify right side
    3,196,368x = 48,745,084,405,824
  5. Step 5: Solve for x
    x = 48,745,084,405,824/3,196,368
  6. Step 6: Final answer
    x = 15,250,147.79

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.