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Finding the Third Proportional to 994,221 and 1,555,311

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Solution

The third proportional to 994,221 and 1,555,311 is: 2,433,052.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,221 : 1,555,311 = 1,555,311 : x
  2. Step 2: Convert to fraction form
    994,221/1,555,311 = 1,555,311/x
  3. Step 3: Cross multiply
    994,221x = 1,555,311 × 1,555,311
  4. Step 4: Simplify right side
    994,221x = 2,418,992,306,721
  5. Step 5: Solve for x
    x = 2,418,992,306,721/994,221
  6. Step 6: Final answer
    x = 2,433,052.92

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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.