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Finding the Third Proportional to 155,808 and 238,268

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Solution

The third proportional to 155,808 and 238,268 is: 364,369.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,808 : 238,268 = 238,268 : x
  2. Step 2: Convert to fraction form
    155,808/238,268 = 238,268/x
  3. Step 3: Cross multiply
    155,808x = 238,268 × 238,268
  4. Step 4: Simplify right side
    155,808x = 56,771,639,824
  5. Step 5: Solve for x
    x = 56,771,639,824/155,808
  6. Step 6: Final answer
    x = 364,369.22

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.