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Finding the Third Proportional to 2,695 and 4,140.50

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Solution

The third proportional to 2,695 and 4,140.50 is: 6,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695 : 4,140.50 = 4,140.50 : x
  2. Step 2: Convert to fraction form
    2,695/4,140.50 = 4,140.50/x
  3. Step 3: Cross multiply
    2,695x = 4,140.50 × 4,140.50
  4. Step 4: Simplify right side
    2,695x = 17,143,740.25
  5. Step 5: Solve for x
    x = 17,143,740.25/2,695
  6. Step 6: Final answer
    x = 6,361.31

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.