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Finding the Third Proportional to 1,866 and 3,529.50

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Solution

The third proportional to 1,866 and 3,529.50 is: 6,675.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866 : 3,529.50 = 3,529.50 : x
  2. Step 2: Convert to fraction form
    1,866/3,529.50 = 3,529.50/x
  3. Step 3: Cross multiply
    1,866x = 3,529.50 × 3,529.50
  4. Step 4: Simplify right side
    1,866x = 12,457,370.25
  5. Step 5: Solve for x
    x = 12,457,370.25/1,866
  6. Step 6: Final answer
    x = 6,675.98

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Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.