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Finding the Third Proportional to 1,887.75 and 4,000.50

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Solution

The third proportional to 1,887.75 and 4,000.50 is: 8,477.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.75 : 4,000.50 = 4,000.50 : x
  2. Step 2: Convert to fraction form
    1,887.75/4,000.50 = 4,000.50/x
  3. Step 3: Cross multiply
    1,887.75x = 4,000.50 × 4,000.50
  4. Step 4: Simplify right side
    1,887.75x = 16,004,000.25
  5. Step 5: Solve for x
    x = 16,004,000.25/1,887.75
  6. Step 6: Final answer
    x = 8,477.82

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.