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Finding the Third Proportional to 308,376 and 352,662.75

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Solution

The third proportional to 308,376 and 352,662.75 is: 403,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,376 : 352,662.75 = 352,662.75 : x
  2. Step 2: Convert to fraction form
    308,376/352,662.75 = 352,662.75/x
  3. Step 3: Cross multiply
    308,376x = 352,662.75 × 352,662.75
  4. Step 4: Simplify right side
    308,376x = 124,371,015,237.56
  5. Step 5: Solve for x
    x = 124,371,015,237.56/308,376
  6. Step 6: Final answer
    x = 403,309.65

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.