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Finding the Third Proportional to 15,885 and 34,074

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Solution

The third proportional to 15,885 and 34,074 is: 73,090.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885 : 34,074 = 34,074 : x
  2. Step 2: Convert to fraction form
    15,885/34,074 = 34,074/x
  3. Step 3: Cross multiply
    15,885x = 34,074 × 34,074
  4. Step 4: Simplify right side
    15,885x = 1,161,037,476
  5. Step 5: Solve for x
    x = 1,161,037,476/15,885
  6. Step 6: Final answer
    x = 73,090.18

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.