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Finding the Third Proportional to 307,171.75 and 480,822.25

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Solution

The third proportional to 307,171.75 and 480,822.25 is: 752,640.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,171.75 : 480,822.25 = 480,822.25 : x
  2. Step 2: Convert to fraction form
    307,171.75/480,822.25 = 480,822.25/x
  3. Step 3: Cross multiply
    307,171.75x = 480,822.25 × 480,822.25
  4. Step 4: Simplify right side
    307,171.75x = 231,190,036,095.06
  5. Step 5: Solve for x
    x = 231,190,036,095.06/307,171.75
  6. Step 6: Final answer
    x = 752,640.94

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.