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Finding the Third Proportional to 79,622 and 124,276

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Solution

The third proportional to 79,622 and 124,276 is: 193,973.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,622 : 124,276 = 124,276 : x
  2. Step 2: Convert to fraction form
    79,622/124,276 = 124,276/x
  3. Step 3: Cross multiply
    79,622x = 124,276 × 124,276
  4. Step 4: Simplify right side
    79,622x = 15,444,524,176
  5. Step 5: Solve for x
    x = 15,444,524,176/79,622
  6. Step 6: Final answer
    x = 193,973.07

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.