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Finding the Third Proportional to 777,050 and 1,690,828

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Solution

The third proportional to 777,050 and 1,690,828 is: 3,679,170.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,050 : 1,690,828 = 1,690,828 : x
  2. Step 2: Convert to fraction form
    777,050/1,690,828 = 1,690,828/x
  3. Step 3: Cross multiply
    777,050x = 1,690,828 × 1,690,828
  4. Step 4: Simplify right side
    777,050x = 2,858,899,325,584
  5. Step 5: Solve for x
    x = 2,858,899,325,584/777,050
  6. Step 6: Final answer
    x = 3,679,170.36

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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.