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Finding the Third Proportional to 181,865.25 and 428,708.25

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Solution

The third proportional to 181,865.25 and 428,708.25 is: 1,010,587.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,865.25 : 428,708.25 = 428,708.25 : x
  2. Step 2: Convert to fraction form
    181,865.25/428,708.25 = 428,708.25/x
  3. Step 3: Cross multiply
    181,865.25x = 428,708.25 × 428,708.25
  4. Step 4: Simplify right side
    181,865.25x = 183,790,763,618.06
  5. Step 5: Solve for x
    x = 183,790,763,618.06/181,865.25
  6. Step 6: Final answer
    x = 1,010,587.58

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.