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Finding the Third Proportional to 18,160.50 and 27,769

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Solution

The third proportional to 18,160.50 and 27,769 is: 42,461.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.50 : 27,769 = 27,769 : x
  2. Step 2: Convert to fraction form
    18,160.50/27,769 = 27,769/x
  3. Step 3: Cross multiply
    18,160.50x = 27,769 × 27,769
  4. Step 4: Simplify right side
    18,160.50x = 771,117,361
  5. Step 5: Solve for x
    x = 771,117,361/18,160.50
  6. Step 6: Final answer
    x = 42,461.24

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.