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Finding the Third Proportional to 133,484 and 237,288

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Solution

The third proportional to 133,484 and 237,288 is: 421,815.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,484 : 237,288 = 237,288 : x
  2. Step 2: Convert to fraction form
    133,484/237,288 = 237,288/x
  3. Step 3: Cross multiply
    133,484x = 237,288 × 237,288
  4. Step 4: Simplify right side
    133,484x = 56,305,594,944
  5. Step 5: Solve for x
    x = 56,305,594,944/133,484
  6. Step 6: Final answer
    x = 421,815.31

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.