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Finding the Third Proportional to 133,624.69 and 288,135.56

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Solution

The third proportional to 133,624.69 and 288,135.56 is: 621,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,624.69 : 288,135.56 = 288,135.56 : x
  2. Step 2: Convert to fraction form
    133,624.69/288,135.56 = 288,135.56/x
  3. Step 3: Cross multiply
    133,624.69x = 288,135.56 × 288,135.56
  4. Step 4: Simplify right side
    133,624.69x = 83,022,102,377.19
  5. Step 5: Solve for x
    x = 83,022,102,377.19/133,624.69
  6. Step 6: Final answer
    x = 621,308.11

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.