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Finding the Third Proportional to 6,810.75 and 16,561.13

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Solution

The third proportional to 6,810.75 and 16,561.13 is: 40,270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,810.75 : 16,561.13 = 16,561.13 : x
  2. Step 2: Convert to fraction form
    6,810.75/16,561.13 = 16,561.13/x
  3. Step 3: Cross multiply
    6,810.75x = 16,561.13 × 16,561.13
  4. Step 4: Simplify right side
    6,810.75x = 274,270,861.27
  5. Step 5: Solve for x
    x = 274,270,861.27/6,810.75
  6. Step 6: Final answer
    x = 40,270.29

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Why These Related Problems?

These problems maintain the same ratio (2.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.