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Finding the Third Proportional to 130,188 and 196,722

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Solution

The third proportional to 130,188 and 196,722 is: 297,258.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,188 : 196,722 = 196,722 : x
  2. Step 2: Convert to fraction form
    130,188/196,722 = 196,722/x
  3. Step 3: Cross multiply
    130,188x = 196,722 × 196,722
  4. Step 4: Simplify right side
    130,188x = 38,699,545,284
  5. Step 5: Solve for x
    x = 38,699,545,284/130,188
  6. Step 6: Final answer
    x = 297,258.93

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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.