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Finding the Third Proportional to 6,412 and 15,519

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Solution

The third proportional to 6,412 and 15,519 is: 37,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,412 : 15,519 = 15,519 : x
  2. Step 2: Convert to fraction form
    6,412/15,519 = 15,519/x
  3. Step 3: Cross multiply
    6,412x = 15,519 × 15,519
  4. Step 4: Simplify right side
    6,412x = 240,839,361
  5. Step 5: Solve for x
    x = 240,839,361/6,412
  6. Step 6: Final answer
    x = 37,560.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.