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Finding the Third Proportional to 21,080 and 29,714

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Solution

The third proportional to 21,080 and 29,714 is: 41,884.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,080 : 29,714 = 29,714 : x
  2. Step 2: Convert to fraction form
    21,080/29,714 = 29,714/x
  3. Step 3: Cross multiply
    21,080x = 29,714 × 29,714
  4. Step 4: Simplify right side
    21,080x = 882,921,796
  5. Step 5: Solve for x
    x = 882,921,796/21,080
  6. Step 6: Final answer
    x = 41,884.34

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.