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Finding the Third Proportional to 2,251 and 3,828.50

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Solution

The third proportional to 2,251 and 3,828.50 is: 6,511.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251 : 3,828.50 = 3,828.50 : x
  2. Step 2: Convert to fraction form
    2,251/3,828.50 = 3,828.50/x
  3. Step 3: Cross multiply
    2,251x = 3,828.50 × 3,828.50
  4. Step 4: Simplify right side
    2,251x = 14,657,412.25
  5. Step 5: Solve for x
    x = 14,657,412.25/2,251
  6. Step 6: Final answer
    x = 6,511.51

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.