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Finding the Third Proportional to 69,231 and 151,275

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Solution

The third proportional to 69,231 and 151,275 is: 330,547.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,231 : 151,275 = 151,275 : x
  2. Step 2: Convert to fraction form
    69,231/151,275 = 151,275/x
  3. Step 3: Cross multiply
    69,231x = 151,275 × 151,275
  4. Step 4: Simplify right side
    69,231x = 22,884,125,625
  5. Step 5: Solve for x
    x = 22,884,125,625/69,231
  6. Step 6: Final answer
    x = 330,547.38

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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.