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Finding the Third Proportional to 130,504.50 and 276,999.75

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Solution

The third proportional to 130,504.50 and 276,999.75 is: 587,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,504.50 : 276,999.75 = 276,999.75 : x
  2. Step 2: Convert to fraction form
    130,504.50/276,999.75 = 276,999.75/x
  3. Step 3: Cross multiply
    130,504.50x = 276,999.75 × 276,999.75
  4. Step 4: Simplify right side
    130,504.50x = 76,728,861,500.06
  5. Step 5: Solve for x
    x = 76,728,861,500.06/130,504.50
  6. Step 6: Final answer
    x = 587,940.35

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.