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Finding the Third Proportional to 70,284 and 154,392

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Solution

The third proportional to 70,284 and 154,392 is: 339,151.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,284 : 154,392 = 154,392 : x
  2. Step 2: Convert to fraction form
    70,284/154,392 = 154,392/x
  3. Step 3: Cross multiply
    70,284x = 154,392 × 154,392
  4. Step 4: Simplify right side
    70,284x = 23,836,889,664
  5. Step 5: Solve for x
    x = 23,836,889,664/70,284
  6. Step 6: Final answer
    x = 339,151.01

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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.