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Finding the Third Proportional to 308,338 and 625,182

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Solution

The third proportional to 308,338 and 625,182 is: 1,267,610.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,338 : 625,182 = 625,182 : x
  2. Step 2: Convert to fraction form
    308,338/625,182 = 625,182/x
  3. Step 3: Cross multiply
    308,338x = 625,182 × 625,182
  4. Step 4: Simplify right side
    308,338x = 390,852,533,124
  5. Step 5: Solve for x
    x = 390,852,533,124/308,338
  6. Step 6: Final answer
    x = 1,267,610.65

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.