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Finding the Third Proportional to 23,715 and 35,721

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Solution

The third proportional to 23,715 and 35,721 is: 53,805.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,715 : 35,721 = 35,721 : x
  2. Step 2: Convert to fraction form
    23,715/35,721 = 35,721/x
  3. Step 3: Cross multiply
    23,715x = 35,721 × 35,721
  4. Step 4: Simplify right side
    23,715x = 1,275,989,841
  5. Step 5: Solve for x
    x = 1,275,989,841/23,715
  6. Step 6: Final answer
    x = 53,805.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.