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Finding the Third Proportional to 1,560 and 3,846.75

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Solution

The third proportional to 1,560 and 3,846.75 is: 9,485.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560 : 3,846.75 = 3,846.75 : x
  2. Step 2: Convert to fraction form
    1,560/3,846.75 = 3,846.75/x
  3. Step 3: Cross multiply
    1,560x = 3,846.75 × 3,846.75
  4. Step 4: Simplify right side
    1,560x = 14,797,485.56
  5. Step 5: Solve for x
    x = 14,797,485.56/1,560
  6. Step 6: Final answer
    x = 9,485.57

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Why These Related Problems?

These problems maintain the same ratio (2.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.