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Finding the Third Proportional to 4,639,196 and 9,996,874

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Solution

The third proportional to 4,639,196 and 9,996,874 is: 21,541,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639,196 : 9,996,874 = 9,996,874 : x
  2. Step 2: Convert to fraction form
    4,639,196/9,996,874 = 9,996,874/x
  3. Step 3: Cross multiply
    4,639,196x = 9,996,874 × 9,996,874
  4. Step 4: Simplify right side
    4,639,196x = 99,937,489,771,876
  5. Step 5: Solve for x
    x = 99,937,489,771,876/4,639,196
  6. Step 6: Final answer
    x = 21,541,984.81

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.