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Finding the Third Proportional to 70,028 and 153,661

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Solution

The third proportional to 70,028 and 153,661 is: 337,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,028 : 153,661 = 153,661 : x
  2. Step 2: Convert to fraction form
    70,028/153,661 = 153,661/x
  3. Step 3: Cross multiply
    70,028x = 153,661 × 153,661
  4. Step 4: Simplify right side
    70,028x = 23,611,702,921
  5. Step 5: Solve for x
    x = 23,611,702,921/70,028
  6. Step 6: Final answer
    x = 337,175.17

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.