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Finding the Third Proportional to 14,982.75 and 21,582

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Solution

The third proportional to 14,982.75 and 21,582 is: 31,087.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.75 : 21,582 = 21,582 : x
  2. Step 2: Convert to fraction form
    14,982.75/21,582 = 21,582/x
  3. Step 3: Cross multiply
    14,982.75x = 21,582 × 21,582
  4. Step 4: Simplify right side
    14,982.75x = 465,782,724
  5. Step 5: Solve for x
    x = 465,782,724/14,982.75
  6. Step 6: Final answer
    x = 31,087.93

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.