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Finding the Third Proportional to 235,138 and 354,827

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Solution

The third proportional to 235,138 and 354,827 is: 535,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,138 : 354,827 = 354,827 : x
  2. Step 2: Convert to fraction form
    235,138/354,827 = 354,827/x
  3. Step 3: Cross multiply
    235,138x = 354,827 × 354,827
  4. Step 4: Simplify right side
    235,138x = 125,902,199,929
  5. Step 5: Solve for x
    x = 125,902,199,929/235,138
  6. Step 6: Final answer
    x = 535,439.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.