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Finding the Third Proportional to 122,242 and 194,501

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Solution

The third proportional to 122,242 and 194,501 is: 309,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,242 : 194,501 = 194,501 : x
  2. Step 2: Convert to fraction form
    122,242/194,501 = 194,501/x
  3. Step 3: Cross multiply
    122,242x = 194,501 × 194,501
  4. Step 4: Simplify right side
    122,242x = 37,830,639,001
  5. Step 5: Solve for x
    x = 37,830,639,001/122,242
  6. Step 6: Final answer
    x = 309,473.33

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.