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Finding the Third Proportional to 3,021 and 7,057.50

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Solution

The third proportional to 3,021 and 7,057.50 is: 16,487.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021 : 7,057.50 = 7,057.50 : x
  2. Step 2: Convert to fraction form
    3,021/7,057.50 = 7,057.50/x
  3. Step 3: Cross multiply
    3,021x = 7,057.50 × 7,057.50
  4. Step 4: Simplify right side
    3,021x = 49,808,306.25
  5. Step 5: Solve for x
    x = 49,808,306.25/3,021
  6. Step 6: Final answer
    x = 16,487.36

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.