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Finding the Third Proportional to 11,700.50 and 25,655

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Solution

The third proportional to 11,700.50 and 25,655 is: 56,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.50 : 25,655 = 25,655 : x
  2. Step 2: Convert to fraction form
    11,700.50/25,655 = 25,655/x
  3. Step 3: Cross multiply
    11,700.50x = 25,655 × 25,655
  4. Step 4: Simplify right side
    11,700.50x = 658,179,025
  5. Step 5: Solve for x
    x = 658,179,025/11,700.50
  6. Step 6: Final answer
    x = 56,252.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.