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Finding the Third Proportional to 7,279,936 and 15,991,022

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Solution

The third proportional to 7,279,936 and 15,991,022 is: 35,125,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279,936 : 15,991,022 = 15,991,022 : x
  2. Step 2: Convert to fraction form
    7,279,936/15,991,022 = 15,991,022/x
  3. Step 3: Cross multiply
    7,279,936x = 15,991,022 × 15,991,022
  4. Step 4: Simplify right side
    7,279,936x = 255,712,784,604,484
  5. Step 5: Solve for x
    x = 255,712,784,604,484/7,279,936
  6. Step 6: Final answer
    x = 35,125,691.30

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.