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Finding the Third Proportional to 2,745 and 4,369.50

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Solution

The third proportional to 2,745 and 4,369.50 is: 6,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745 : 4,369.50 = 4,369.50 : x
  2. Step 2: Convert to fraction form
    2,745/4,369.50 = 4,369.50/x
  3. Step 3: Cross multiply
    2,745x = 4,369.50 × 4,369.50
  4. Step 4: Simplify right side
    2,745x = 19,092,530.25
  5. Step 5: Solve for x
    x = 19,092,530.25/2,745
  6. Step 6: Final answer
    x = 6,955.38

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.