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Finding the Third Proportional to 20,140 and 30,184

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Solution

The third proportional to 20,140 and 30,184 is: 45,237.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,140 : 30,184 = 30,184 : x
  2. Step 2: Convert to fraction form
    20,140/30,184 = 30,184/x
  3. Step 3: Cross multiply
    20,140x = 30,184 × 30,184
  4. Step 4: Simplify right side
    20,140x = 911,073,856
  5. Step 5: Solve for x
    x = 911,073,856/20,140
  6. Step 6: Final answer
    x = 45,237.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.