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Finding the Third Proportional to 600,728 and 839,856

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Solution

The third proportional to 600,728 and 839,856 is: 1,174,172.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,728 : 839,856 = 839,856 : x
  2. Step 2: Convert to fraction form
    600,728/839,856 = 839,856/x
  3. Step 3: Cross multiply
    600,728x = 839,856 × 839,856
  4. Step 4: Simplify right side
    600,728x = 705,358,100,736
  5. Step 5: Solve for x
    x = 705,358,100,736/600,728
  6. Step 6: Final answer
    x = 1,174,172.17

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.