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Finding the Third Proportional to 777,240 and 1,672,579

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Solution

The third proportional to 777,240 and 1,672,579 is: 3,599,300.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,240 : 1,672,579 = 1,672,579 : x
  2. Step 2: Convert to fraction form
    777,240/1,672,579 = 1,672,579/x
  3. Step 3: Cross multiply
    777,240x = 1,672,579 × 1,672,579
  4. Step 4: Simplify right side
    777,240x = 2,797,520,511,241
  5. Step 5: Solve for x
    x = 2,797,520,511,241/777,240
  6. Step 6: Final answer
    x = 3,599,300.75

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.