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Finding the Third Proportional to 133,078 and 295,688

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Solution

The third proportional to 133,078 and 295,688 is: 656,993.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,078 : 295,688 = 295,688 : x
  2. Step 2: Convert to fraction form
    133,078/295,688 = 295,688/x
  3. Step 3: Cross multiply
    133,078x = 295,688 × 295,688
  4. Step 4: Simplify right side
    133,078x = 87,431,393,344
  5. Step 5: Solve for x
    x = 87,431,393,344/133,078
  6. Step 6: Final answer
    x = 656,993.59

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.