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Finding the Third Proportional to 5,087.25 and 10,859.63

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Solution

The third proportional to 5,087.25 and 10,859.63 is: 23,181.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.25 : 10,859.63 = 10,859.63 : x
  2. Step 2: Convert to fraction form
    5,087.25/10,859.63 = 10,859.63/x
  3. Step 3: Cross multiply
    5,087.25x = 10,859.63 × 10,859.63
  4. Step 4: Simplify right side
    5,087.25x = 117,931,455.14
  5. Step 5: Solve for x
    x = 117,931,455.14/5,087.25
  6. Step 6: Final answer
    x = 23,181.77

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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.