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Finding the Third Proportional to 57,220 and 82,549.50

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Solution

The third proportional to 57,220 and 82,549.50 is: 119,091.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,220 : 82,549.50 = 82,549.50 : x
  2. Step 2: Convert to fraction form
    57,220/82,549.50 = 82,549.50/x
  3. Step 3: Cross multiply
    57,220x = 82,549.50 × 82,549.50
  4. Step 4: Simplify right side
    57,220x = 6,814,419,950.25
  5. Step 5: Solve for x
    x = 6,814,419,950.25/57,220
  6. Step 6: Final answer
    x = 119,091.58

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.