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Finding the Third Proportional to 10,718 and 25,817

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Solution

The third proportional to 10,718 and 25,817 is: 62,186.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718 : 25,817 = 25,817 : x
  2. Step 2: Convert to fraction form
    10,718/25,817 = 25,817/x
  3. Step 3: Cross multiply
    10,718x = 25,817 × 25,817
  4. Step 4: Simplify right side
    10,718x = 666,517,489
  5. Step 5: Solve for x
    x = 666,517,489/10,718
  6. Step 6: Final answer
    x = 62,186.74

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.