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Finding the Third Proportional to 540,968 and 842,067

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Solution

The third proportional to 540,968 and 842,067 is: 1,310,755.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,968 : 842,067 = 842,067 : x
  2. Step 2: Convert to fraction form
    540,968/842,067 = 842,067/x
  3. Step 3: Cross multiply
    540,968x = 842,067 × 842,067
  4. Step 4: Simplify right side
    540,968x = 709,076,832,489
  5. Step 5: Solve for x
    x = 709,076,832,489/540,968
  6. Step 6: Final answer
    x = 1,310,755.59

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.