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Finding the Third Proportional to 18,402.75 and 29,187

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Solution

The third proportional to 18,402.75 and 29,187 is: 46,290.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.75 : 29,187 = 29,187 : x
  2. Step 2: Convert to fraction form
    18,402.75/29,187 = 29,187/x
  3. Step 3: Cross multiply
    18,402.75x = 29,187 × 29,187
  4. Step 4: Simplify right side
    18,402.75x = 851,880,969
  5. Step 5: Solve for x
    x = 851,880,969/18,402.75
  6. Step 6: Final answer
    x = 46,290.96

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.