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Finding the Third Proportional to 376,048 and 820,690

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Solution

The third proportional to 376,048 and 820,690 is: 1,791,080.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,048 : 820,690 = 820,690 : x
  2. Step 2: Convert to fraction form
    376,048/820,690 = 820,690/x
  3. Step 3: Cross multiply
    376,048x = 820,690 × 820,690
  4. Step 4: Simplify right side
    376,048x = 673,532,076,100
  5. Step 5: Solve for x
    x = 673,532,076,100/376,048
  6. Step 6: Final answer
    x = 1,791,080.06

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.