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Finding the Third Proportional to 308,034 and 668,772

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Solution

The third proportional to 308,034 and 668,772 is: 1,451,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,034 : 668,772 = 668,772 : x
  2. Step 2: Convert to fraction form
    308,034/668,772 = 668,772/x
  3. Step 3: Cross multiply
    308,034x = 668,772 × 668,772
  4. Step 4: Simplify right side
    308,034x = 447,255,987,984
  5. Step 5: Solve for x
    x = 447,255,987,984/308,034
  6. Step 6: Final answer
    x = 1,451,969.55

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.