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Finding the Third Proportional to 11,767.88 and 25,905

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Solution

The third proportional to 11,767.88 and 25,905 is: 57,025.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,767.88 : 25,905 = 25,905 : x
  2. Step 2: Convert to fraction form
    11,767.88/25,905 = 25,905/x
  3. Step 3: Cross multiply
    11,767.88x = 25,905 × 25,905
  4. Step 4: Simplify right side
    11,767.88x = 671,069,025
  5. Step 5: Solve for x
    x = 671,069,025/11,767.88
  6. Step 6: Final answer
    x = 57,025.51

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.