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Finding the Third Proportional to 2,025 and 4,140

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Solution

The third proportional to 2,025 and 4,140 is: 8,464

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025 : 4,140 = 4,140 : x
  2. Step 2: Convert to fraction form
    2,025/4,140 = 4,140/x
  3. Step 3: Cross multiply
    2,025x = 4,140 × 4,140
  4. Step 4: Simplify right side
    2,025x = 17,139,600
  5. Step 5: Solve for x
    x = 17,139,600/2,025
  6. Step 6: Final answer
    x = 8,464

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.