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Finding the Third Proportional to 793,138 and 1,276,795

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Solution

The third proportional to 793,138 and 1,276,795 is: 2,055,386.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,138 : 1,276,795 = 1,276,795 : x
  2. Step 2: Convert to fraction form
    793,138/1,276,795 = 1,276,795/x
  3. Step 3: Cross multiply
    793,138x = 1,276,795 × 1,276,795
  4. Step 4: Simplify right side
    793,138x = 1,630,205,472,025
  5. Step 5: Solve for x
    x = 1,630,205,472,025/793,138
  6. Step 6: Final answer
    x = 2,055,386.92

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.