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Finding the Third Proportional to 70,137 and 101,520

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Solution

The third proportional to 70,137 and 101,520 is: 146,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,137 : 101,520 = 101,520 : x
  2. Step 2: Convert to fraction form
    70,137/101,520 = 101,520/x
  3. Step 3: Cross multiply
    70,137x = 101,520 × 101,520
  4. Step 4: Simplify right side
    70,137x = 10,306,310,400
  5. Step 5: Solve for x
    x = 10,306,310,400/70,137
  6. Step 6: Final answer
    x = 146,945.41

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.