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Finding the Third Proportional to 20,444 and 47,776

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Solution

The third proportional to 20,444 and 47,776 is: 111,648.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444 : 47,776 = 47,776 : x
  2. Step 2: Convert to fraction form
    20,444/47,776 = 47,776/x
  3. Step 3: Cross multiply
    20,444x = 47,776 × 47,776
  4. Step 4: Simplify right side
    20,444x = 2,282,546,176
  5. Step 5: Solve for x
    x = 2,282,546,176/20,444
  6. Step 6: Final answer
    x = 111,648.71

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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.