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Finding the Third Proportional to 70,836 and 155,268

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Solution

The third proportional to 70,836 and 155,268 is: 340,337.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,836 : 155,268 = 155,268 : x
  2. Step 2: Convert to fraction form
    70,836/155,268 = 155,268/x
  3. Step 3: Cross multiply
    70,836x = 155,268 × 155,268
  4. Step 4: Simplify right side
    70,836x = 24,108,151,824
  5. Step 5: Solve for x
    x = 24,108,151,824/70,836
  6. Step 6: Final answer
    x = 340,337.57

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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.