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Finding the Third Proportional to 130,171.50 and 263,961

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Solution

The third proportional to 130,171.50 and 263,961 is: 535,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,171.50 : 263,961 = 263,961 : x
  2. Step 2: Convert to fraction form
    130,171.50/263,961 = 263,961/x
  3. Step 3: Cross multiply
    130,171.50x = 263,961 × 263,961
  4. Step 4: Simplify right side
    130,171.50x = 69,675,409,521
  5. Step 5: Solve for x
    x = 69,675,409,521/130,171.50
  6. Step 6: Final answer
    x = 535,258.56

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.