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Finding the Third Proportional to 147,290 and 225,215

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Solution

The third proportional to 147,290 and 225,215 is: 344,366.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,290 : 225,215 = 225,215 : x
  2. Step 2: Convert to fraction form
    147,290/225,215 = 225,215/x
  3. Step 3: Cross multiply
    147,290x = 225,215 × 225,215
  4. Step 4: Simplify right side
    147,290x = 50,721,796,225
  5. Step 5: Solve for x
    x = 50,721,796,225/147,290
  6. Step 6: Final answer
    x = 344,366.87

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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.