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Finding the Third Proportional to 18,153 and 23,755.50

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Solution

The third proportional to 18,153 and 23,755.50 is: 31,087.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153 : 23,755.50 = 23,755.50 : x
  2. Step 2: Convert to fraction form
    18,153/23,755.50 = 23,755.50/x
  3. Step 3: Cross multiply
    18,153x = 23,755.50 × 23,755.50
  4. Step 4: Simplify right side
    18,153x = 564,323,780.25
  5. Step 5: Solve for x
    x = 564,323,780.25/18,153
  6. Step 6: Final answer
    x = 31,087.08

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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.