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Finding the Third Proportional to 10,961 and 14,053

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Solution

The third proportional to 10,961 and 14,053 is: 18,017.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961 : 14,053 = 14,053 : x
  2. Step 2: Convert to fraction form
    10,961/14,053 = 14,053/x
  3. Step 3: Cross multiply
    10,961x = 14,053 × 14,053
  4. Step 4: Simplify right side
    10,961x = 197,486,809
  5. Step 5: Solve for x
    x = 197,486,809/10,961
  6. Step 6: Final answer
    x = 18,017.23

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.