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Finding the Third Proportional to 3,730 and 5,250

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Solution

The third proportional to 3,730 and 5,250 is: 7,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730 : 5,250 = 5,250 : x
  2. Step 2: Convert to fraction form
    3,730/5,250 = 5,250/x
  3. Step 3: Cross multiply
    3,730x = 5,250 × 5,250
  4. Step 4: Simplify right side
    3,730x = 27,562,500
  5. Step 5: Solve for x
    x = 27,562,500/3,730
  6. Step 6: Final answer
    x = 7,389.41

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.