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Finding the Third Proportional to 36,438 and 47,844

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Solution

The third proportional to 36,438 and 47,844 is: 62,820.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,438 : 47,844 = 47,844 : x
  2. Step 2: Convert to fraction form
    36,438/47,844 = 47,844/x
  3. Step 3: Cross multiply
    36,438x = 47,844 × 47,844
  4. Step 4: Simplify right side
    36,438x = 2,289,048,336
  5. Step 5: Solve for x
    x = 2,289,048,336/36,438
  6. Step 6: Final answer
    x = 62,820.36

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.