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Finding the Third Proportional to 61,422 and 134,388

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Solution

The third proportional to 61,422 and 134,388 is: 294,033.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,422 : 134,388 = 134,388 : x
  2. Step 2: Convert to fraction form
    61,422/134,388 = 134,388/x
  3. Step 3: Cross multiply
    61,422x = 134,388 × 134,388
  4. Step 4: Simplify right side
    61,422x = 18,060,134,544
  5. Step 5: Solve for x
    x = 18,060,134,544/61,422
  6. Step 6: Final answer
    x = 294,033.65

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.