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Finding the Third Proportional to 101,158 and 145,722

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Solution

The third proportional to 101,158 and 145,722 is: 209,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,158 : 145,722 = 145,722 : x
  2. Step 2: Convert to fraction form
    101,158/145,722 = 145,722/x
  3. Step 3: Cross multiply
    101,158x = 145,722 × 145,722
  4. Step 4: Simplify right side
    101,158x = 21,234,901,284
  5. Step 5: Solve for x
    x = 21,234,901,284/101,158
  6. Step 6: Final answer
    x = 209,918.16

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.