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Finding the Third Proportional to 471,614 and 666,681

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Solution

The third proportional to 471,614 and 666,681 is: 942,430.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,614 : 666,681 = 666,681 : x
  2. Step 2: Convert to fraction form
    471,614/666,681 = 666,681/x
  3. Step 3: Cross multiply
    471,614x = 666,681 × 666,681
  4. Step 4: Simplify right side
    471,614x = 444,463,555,761
  5. Step 5: Solve for x
    x = 444,463,555,761/471,614
  6. Step 6: Final answer
    x = 942,430.79

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.