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Finding the Third Proportional to 373,198 and 561,669

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Solution

The third proportional to 373,198 and 561,669 is: 845,320.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,198 : 561,669 = 561,669 : x
  2. Step 2: Convert to fraction form
    373,198/561,669 = 561,669/x
  3. Step 3: Cross multiply
    373,198x = 561,669 × 561,669
  4. Step 4: Simplify right side
    373,198x = 315,472,065,561
  5. Step 5: Solve for x
    x = 315,472,065,561/373,198
  6. Step 6: Final answer
    x = 845,320.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.