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Finding the Third Proportional to 18,153 and 28,050

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Solution

The third proportional to 18,153 and 28,050 is: 43,342.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153 : 28,050 = 28,050 : x
  2. Step 2: Convert to fraction form
    18,153/28,050 = 28,050/x
  3. Step 3: Cross multiply
    18,153x = 28,050 × 28,050
  4. Step 4: Simplify right side
    18,153x = 786,802,500
  5. Step 5: Solve for x
    x = 786,802,500/18,153
  6. Step 6: Final answer
    x = 43,342.84

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.