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Finding the Third Proportional to 160,890.75 and 211,571.13

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Solution

The third proportional to 160,890.75 and 211,571.13 is: 278,215.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,890.75 : 211,571.13 = 211,571.13 : x
  2. Step 2: Convert to fraction form
    160,890.75/211,571.13 = 211,571.13/x
  3. Step 3: Cross multiply
    160,890.75x = 211,571.13 × 211,571.13
  4. Step 4: Simplify right side
    160,890.75x = 44,762,340,933.77
  5. Step 5: Solve for x
    x = 44,762,340,933.77/160,890.75
  6. Step 6: Final answer
    x = 278,215.75

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.