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Finding the Third Proportional to 793,678 and 1,711,772

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Solution

The third proportional to 793,678 and 1,711,772 is: 3,691,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,678 : 1,711,772 = 1,711,772 : x
  2. Step 2: Convert to fraction form
    793,678/1,711,772 = 1,711,772/x
  3. Step 3: Cross multiply
    793,678x = 1,711,772 × 1,711,772
  4. Step 4: Simplify right side
    793,678x = 2,930,163,379,984
  5. Step 5: Solve for x
    x = 2,930,163,379,984/793,678
  6. Step 6: Final answer
    x = 3,691,879.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.