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Finding the Third Proportional to 11,721.66 and 24,980.91

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Solution

The third proportional to 11,721.66 and 24,980.91 is: 53,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,721.66 : 24,980.91 = 24,980.91 : x
  2. Step 2: Convert to fraction form
    11,721.66/24,980.91 = 24,980.91/x
  3. Step 3: Cross multiply
    11,721.66x = 24,980.91 × 24,980.91
  4. Step 4: Simplify right side
    11,721.66x = 624,045,677.07
  5. Step 5: Solve for x
    x = 624,045,677.07/11,721.66
  6. Step 6: Final answer
    x = 53,238.69

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.