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Finding the Third Proportional to 10,456 and 14,655

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Solution

The third proportional to 10,456 and 14,655 is: 20,540.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456 : 14,655 = 14,655 : x
  2. Step 2: Convert to fraction form
    10,456/14,655 = 14,655/x
  3. Step 3: Cross multiply
    10,456x = 14,655 × 14,655
  4. Step 4: Simplify right side
    10,456x = 214,769,025
  5. Step 5: Solve for x
    x = 214,769,025/10,456
  6. Step 6: Final answer
    x = 20,540.27

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.