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Finding the Third Proportional to 2,101 and 3,152

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Solution

The third proportional to 2,101 and 3,152 is: 4,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101 : 3,152 = 3,152 : x
  2. Step 2: Convert to fraction form
    2,101/3,152 = 3,152/x
  3. Step 3: Cross multiply
    2,101x = 3,152 × 3,152
  4. Step 4: Simplify right side
    2,101x = 9,935,104
  5. Step 5: Solve for x
    x = 9,935,104/2,101
  6. Step 6: Final answer
    x = 4,728.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.