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Finding the Third Proportional to 70,276 and 154,376

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Solution

The third proportional to 70,276 and 154,376 is: 339,119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,276 : 154,376 = 154,376 : x
  2. Step 2: Convert to fraction form
    70,276/154,376 = 154,376/x
  3. Step 3: Cross multiply
    70,276x = 154,376 × 154,376
  4. Step 4: Simplify right side
    70,276x = 23,831,949,376
  5. Step 5: Solve for x
    x = 23,831,949,376/70,276
  6. Step 6: Final answer
    x = 339,119.32

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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.