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Finding the Third Proportional to 151,112 and 330,880

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Solution

The third proportional to 151,112 and 330,880 is: 724,506.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,112 : 330,880 = 330,880 : x
  2. Step 2: Convert to fraction form
    151,112/330,880 = 330,880/x
  3. Step 3: Cross multiply
    151,112x = 330,880 × 330,880
  4. Step 4: Simplify right side
    151,112x = 109,481,574,400
  5. Step 5: Solve for x
    x = 109,481,574,400/151,112
  6. Step 6: Final answer
    x = 724,506.16

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.