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Finding the Third Proportional to 22,104 and 47,712

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Solution

The third proportional to 22,104 and 47,712 is: 102,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,104 : 47,712 = 47,712 : x
  2. Step 2: Convert to fraction form
    22,104/47,712 = 47,712/x
  3. Step 3: Cross multiply
    22,104x = 47,712 × 47,712
  4. Step 4: Simplify right side
    22,104x = 2,276,434,944
  5. Step 5: Solve for x
    x = 2,276,434,944/22,104
  6. Step 6: Final answer
    x = 102,987.47

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.