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Finding the Third Proportional to 3,344,912 and 7,121,344

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Solution

The third proportional to 3,344,912 and 7,121,344 is: 15,161,397.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,344,912 : 7,121,344 = 7,121,344 : x
  2. Step 2: Convert to fraction form
    3,344,912/7,121,344 = 7,121,344/x
  3. Step 3: Cross multiply
    3,344,912x = 7,121,344 × 7,121,344
  4. Step 4: Simplify right side
    3,344,912x = 50,713,540,366,336
  5. Step 5: Solve for x
    x = 50,713,540,366,336/3,344,912
  6. Step 6: Final answer
    x = 15,161,397.48

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.