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Finding the Third Proportional to 550,393.88 and 775,074

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Solution

The third proportional to 550,393.88 and 775,074 is: 1,091,472.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,393.88 : 775,074 = 775,074 : x
  2. Step 2: Convert to fraction form
    550,393.88/775,074 = 775,074/x
  3. Step 3: Cross multiply
    550,393.88x = 775,074 × 775,074
  4. Step 4: Simplify right side
    550,393.88x = 600,739,705,476
  5. Step 5: Solve for x
    x = 600,739,705,476/550,393.88
  6. Step 6: Final answer
    x = 1,091,472.37

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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.