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Finding the Third Proportional to 134,608.50 and 211,190

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Solution

The third proportional to 134,608.50 and 211,190 is: 331,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,608.50 : 211,190 = 211,190 : x
  2. Step 2: Convert to fraction form
    134,608.50/211,190 = 211,190/x
  3. Step 3: Cross multiply
    134,608.50x = 211,190 × 211,190
  4. Step 4: Simplify right side
    134,608.50x = 44,601,216,100
  5. Step 5: Solve for x
    x = 44,601,216,100/134,608.50
  6. Step 6: Final answer
    x = 331,340.27

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.