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Finding the Third Proportional to 379,374 and 793,821

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Solution

The third proportional to 379,374 and 793,821 is: 1,661,030.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,374 : 793,821 = 793,821 : x
  2. Step 2: Convert to fraction form
    379,374/793,821 = 793,821/x
  3. Step 3: Cross multiply
    379,374x = 793,821 × 793,821
  4. Step 4: Simplify right side
    379,374x = 630,151,780,041
  5. Step 5: Solve for x
    x = 630,151,780,041/379,374
  6. Step 6: Final answer
    x = 1,661,030.49

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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.