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Finding the Third Proportional to 70,202 and 154,636

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Solution

The third proportional to 70,202 and 154,636 is: 340,621.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,202 : 154,636 = 154,636 : x
  2. Step 2: Convert to fraction form
    70,202/154,636 = 154,636/x
  3. Step 3: Cross multiply
    70,202x = 154,636 × 154,636
  4. Step 4: Simplify right side
    70,202x = 23,912,292,496
  5. Step 5: Solve for x
    x = 23,912,292,496/70,202
  6. Step 6: Final answer
    x = 340,621.24

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.