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Finding the Third Proportional to 7,039 and 14,885

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Solution

The third proportional to 7,039 and 14,885 is: 31,476.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039 : 14,885 = 14,885 : x
  2. Step 2: Convert to fraction form
    7,039/14,885 = 14,885/x
  3. Step 3: Cross multiply
    7,039x = 14,885 × 14,885
  4. Step 4: Simplify right side
    7,039x = 221,563,225
  5. Step 5: Solve for x
    x = 221,563,225/7,039
  6. Step 6: Final answer
    x = 31,476.52

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.