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Finding the Third Proportional to 190,772 and 303,674

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Solution

The third proportional to 190,772 and 303,674 is: 483,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,772 : 303,674 = 303,674 : x
  2. Step 2: Convert to fraction form
    190,772/303,674 = 303,674/x
  3. Step 3: Cross multiply
    190,772x = 303,674 × 303,674
  4. Step 4: Simplify right side
    190,772x = 92,217,898,276
  5. Step 5: Solve for x
    x = 92,217,898,276/190,772
  6. Step 6: Final answer
    x = 483,393.26

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.