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Finding the Third Proportional to 5,239 and 7,833

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Solution

The third proportional to 5,239 and 7,833 is: 11,711.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239 : 7,833 = 7,833 : x
  2. Step 2: Convert to fraction form
    5,239/7,833 = 7,833/x
  3. Step 3: Cross multiply
    5,239x = 7,833 × 7,833
  4. Step 4: Simplify right side
    5,239x = 61,355,889
  5. Step 5: Solve for x
    x = 61,355,889/5,239
  6. Step 6: Final answer
    x = 11,711.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.