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Finding the Third Proportional to 145,622 and 195,722

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Solution

The third proportional to 145,622 and 195,722 is: 263,058.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,622 : 195,722 = 195,722 : x
  2. Step 2: Convert to fraction form
    145,622/195,722 = 195,722/x
  3. Step 3: Cross multiply
    145,622x = 195,722 × 195,722
  4. Step 4: Simplify right side
    145,622x = 38,307,101,284
  5. Step 5: Solve for x
    x = 38,307,101,284/145,622
  6. Step 6: Final answer
    x = 263,058.48

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.