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Finding the Third Proportional to 325,455 and 666,765.75

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Solution

The third proportional to 325,455 and 666,765.75 is: 1,366,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,455 : 666,765.75 = 666,765.75 : x
  2. Step 2: Convert to fraction form
    325,455/666,765.75 = 666,765.75/x
  3. Step 3: Cross multiply
    325,455x = 666,765.75 × 666,765.75
  4. Step 4: Simplify right side
    325,455x = 444,576,565,373.06
  5. Step 5: Solve for x
    x = 444,576,565,373.06/325,455
  6. Step 6: Final answer
    x = 1,366,015.47

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.