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Finding the Third Proportional to 56,922 and 124,212

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Solution

The third proportional to 56,922 and 124,212 is: 271,048.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,922 : 124,212 = 124,212 : x
  2. Step 2: Convert to fraction form
    56,922/124,212 = 124,212/x
  3. Step 3: Cross multiply
    56,922x = 124,212 × 124,212
  4. Step 4: Simplify right side
    56,922x = 15,428,620,944
  5. Step 5: Solve for x
    x = 15,428,620,944/56,922
  6. Step 6: Final answer
    x = 271,048.47

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.