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Finding the Third Proportional to 4,247,360 and 9,170,906

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Solution

The third proportional to 4,247,360 and 9,170,906 is: 19,801,833.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247,360 : 9,170,906 = 9,170,906 : x
  2. Step 2: Convert to fraction form
    4,247,360/9,170,906 = 9,170,906/x
  3. Step 3: Cross multiply
    4,247,360x = 9,170,906 × 9,170,906
  4. Step 4: Simplify right side
    4,247,360x = 84,105,516,860,836
  5. Step 5: Solve for x
    x = 84,105,516,860,836/4,247,360
  6. Step 6: Final answer
    x = 19,801,833.81

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.