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Finding the Third Proportional to 122,370 and 270,945

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Solution

The third proportional to 122,370 and 270,945 is: 599,911.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,370 : 270,945 = 270,945 : x
  2. Step 2: Convert to fraction form
    122,370/270,945 = 270,945/x
  3. Step 3: Cross multiply
    122,370x = 270,945 × 270,945
  4. Step 4: Simplify right side
    122,370x = 73,411,193,025
  5. Step 5: Solve for x
    x = 73,411,193,025/122,370
  6. Step 6: Final answer
    x = 599,911.69

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.