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Finding the Third Proportional to 6,724 and 14,638

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Solution

The third proportional to 6,724 and 14,638 is: 31,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724 : 14,638 = 14,638 : x
  2. Step 2: Convert to fraction form
    6,724/14,638 = 14,638/x
  3. Step 3: Cross multiply
    6,724x = 14,638 × 14,638
  4. Step 4: Simplify right side
    6,724x = 214,271,044
  5. Step 5: Solve for x
    x = 214,271,044/6,724
  6. Step 6: Final answer
    x = 31,866.60

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.