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Finding the Third Proportional to 981,398 and 1,477,011

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Solution

The third proportional to 981,398 and 1,477,011 is: 2,222,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,398 : 1,477,011 = 1,477,011 : x
  2. Step 2: Convert to fraction form
    981,398/1,477,011 = 1,477,011/x
  3. Step 3: Cross multiply
    981,398x = 1,477,011 × 1,477,011
  4. Step 4: Simplify right side
    981,398x = 2,181,561,494,121
  5. Step 5: Solve for x
    x = 2,181,561,494,121/981,398
  6. Step 6: Final answer
    x = 2,222,912.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.