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Finding the Third Proportional to 152,120 and 313,936

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Solution

The third proportional to 152,120 and 313,936 is: 647,882.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,120 : 313,936 = 313,936 : x
  2. Step 2: Convert to fraction form
    152,120/313,936 = 313,936/x
  3. Step 3: Cross multiply
    152,120x = 313,936 × 313,936
  4. Step 4: Simplify right side
    152,120x = 98,555,812,096
  5. Step 5: Solve for x
    x = 98,555,812,096/152,120
  6. Step 6: Final answer
    x = 647,882.01

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.