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Finding the Third Proportional to 149,969 and 238,501

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Solution

The third proportional to 149,969 and 238,501 is: 379,296.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,969 : 238,501 = 238,501 : x
  2. Step 2: Convert to fraction form
    149,969/238,501 = 238,501/x
  3. Step 3: Cross multiply
    149,969x = 238,501 × 238,501
  4. Step 4: Simplify right side
    149,969x = 56,882,727,001
  5. Step 5: Solve for x
    x = 56,882,727,001/149,969
  6. Step 6: Final answer
    x = 379,296.57

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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.