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Finding the Third Proportional to 3,347,963 and 7,133,911

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Solution

The third proportional to 3,347,963 and 7,133,911 is: 15,201,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347,963 : 7,133,911 = 7,133,911 : x
  2. Step 2: Convert to fraction form
    3,347,963/7,133,911 = 7,133,911/x
  3. Step 3: Cross multiply
    3,347,963x = 7,133,911 × 7,133,911
  4. Step 4: Simplify right side
    3,347,963x = 50,892,686,155,921
  5. Step 5: Solve for x
    x = 50,892,686,155,921/3,347,963
  6. Step 6: Final answer
    x = 15,201,089.78

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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.