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Finding the Third Proportional to 113,674 and 247,305

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Solution

The third proportional to 113,674 and 247,305 is: 538,027.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,674 : 247,305 = 247,305 : x
  2. Step 2: Convert to fraction form
    113,674/247,305 = 247,305/x
  3. Step 3: Cross multiply
    113,674x = 247,305 × 247,305
  4. Step 4: Simplify right side
    113,674x = 61,159,763,025
  5. Step 5: Solve for x
    x = 61,159,763,025/113,674
  6. Step 6: Final answer
    x = 538,027.72

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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.