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Finding the Third Proportional to 303,615.75 and 666,279.75

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Solution

The third proportional to 303,615.75 and 666,279.75 is: 1,462,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,615.75 : 666,279.75 = 666,279.75 : x
  2. Step 2: Convert to fraction form
    303,615.75/666,279.75 = 666,279.75/x
  3. Step 3: Cross multiply
    303,615.75x = 666,279.75 × 666,279.75
  4. Step 4: Simplify right side
    303,615.75x = 443,928,705,260.06
  5. Step 5: Solve for x
    x = 443,928,705,260.06/303,615.75
  6. Step 6: Final answer
    x = 1,462,139.91

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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.