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Finding the Third Proportional to 133,107 and 288,345

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Solution

The third proportional to 133,107 and 288,345 is: 624,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,107 : 288,345 = 288,345 : x
  2. Step 2: Convert to fraction form
    133,107/288,345 = 288,345/x
  3. Step 3: Cross multiply
    133,107x = 288,345 × 288,345
  4. Step 4: Simplify right side
    133,107x = 83,142,839,025
  5. Step 5: Solve for x
    x = 83,142,839,025/133,107
  6. Step 6: Final answer
    x = 624,631.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.