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Finding the Third Proportional to 220,774.50 and 349,764.75

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Solution

The third proportional to 220,774.50 and 349,764.75 is: 554,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,774.50 : 349,764.75 = 349,764.75 : x
  2. Step 2: Convert to fraction form
    220,774.50/349,764.75 = 349,764.75/x
  3. Step 3: Cross multiply
    220,774.50x = 349,764.75 × 349,764.75
  4. Step 4: Simplify right side
    220,774.50x = 122,335,380,342.56
  5. Step 5: Solve for x
    x = 122,335,380,342.56/220,774.50
  6. Step 6: Final answer
    x = 554,119.16

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.