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Finding the Third Proportional to 15,518 and 32,476

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Solution

The third proportional to 15,518 and 32,476 is: 67,965.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,518 : 32,476 = 32,476 : x
  2. Step 2: Convert to fraction form
    15,518/32,476 = 32,476/x
  3. Step 3: Cross multiply
    15,518x = 32,476 × 32,476
  4. Step 4: Simplify right side
    15,518x = 1,054,690,576
  5. Step 5: Solve for x
    x = 1,054,690,576/15,518
  6. Step 6: Final answer
    x = 67,965.63

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.