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Finding the Third Proportional to 3,372.50 and 7,410

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Solution

The third proportional to 3,372.50 and 7,410 is: 16,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.50 : 7,410 = 7,410 : x
  2. Step 2: Convert to fraction form
    3,372.50/7,410 = 7,410/x
  3. Step 3: Cross multiply
    3,372.50x = 7,410 × 7,410
  4. Step 4: Simplify right side
    3,372.50x = 54,908,100
  5. Step 5: Solve for x
    x = 54,908,100/3,372.50
  6. Step 6: Final answer
    x = 16,281.13

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.