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Finding the Third Proportional to 666,777.38 and 1,440,167.34

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Solution

The third proportional to 666,777.38 and 1,440,167.34 is: 3,110,606.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,777.38 : 1,440,167.34 = 1,440,167.34 : x
  2. Step 2: Convert to fraction form
    666,777.38/1,440,167.34 = 1,440,167.34/x
  3. Step 3: Cross multiply
    666,777.38x = 1,440,167.34 × 1,440,167.34
  4. Step 4: Simplify right side
    666,777.38x = 2,074,081,978,003.93
  5. Step 5: Solve for x
    x = 2,074,081,978,003.93/666,777.38
  6. Step 6: Final answer
    x = 3,110,606.41

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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.