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Finding the Third Proportional to 39,448 and 86,200

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Solution

The third proportional to 39,448 and 86,200 is: 188,360.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,448 : 86,200 = 86,200 : x
  2. Step 2: Convert to fraction form
    39,448/86,200 = 86,200/x
  3. Step 3: Cross multiply
    39,448x = 86,200 × 86,200
  4. Step 4: Simplify right side
    39,448x = 7,430,440,000
  5. Step 5: Solve for x
    x = 7,430,440,000/39,448
  6. Step 6: Final answer
    x = 188,360.37

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.