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Finding the Third Proportional to 379,371 and 793,815

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Solution

The third proportional to 379,371 and 793,815 is: 1,661,018.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,371 : 793,815 = 793,815 : x
  2. Step 2: Convert to fraction form
    379,371/793,815 = 793,815/x
  3. Step 3: Cross multiply
    379,371x = 793,815 × 793,815
  4. Step 4: Simplify right side
    379,371x = 630,142,254,225
  5. Step 5: Solve for x
    x = 630,142,254,225/379,371
  6. Step 6: Final answer
    x = 1,661,018.51

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.