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Finding the Third Proportional to 3,970.50 and 5,837

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Solution

The third proportional to 3,970.50 and 5,837 is: 8,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.50 : 5,837 = 5,837 : x
  2. Step 2: Convert to fraction form
    3,970.50/5,837 = 5,837/x
  3. Step 3: Cross multiply
    3,970.50x = 5,837 × 5,837
  4. Step 4: Simplify right side
    3,970.50x = 34,070,569
  5. Step 5: Solve for x
    x = 34,070,569/3,970.50
  6. Step 6: Final answer
    x = 8,580.93

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.