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Finding the Third Proportional to 138,099.94 and 302,550.19

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Solution

The third proportional to 138,099.94 and 302,550.19 is: 662,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,099.94 : 302,550.19 = 302,550.19 : x
  2. Step 2: Convert to fraction form
    138,099.94/302,550.19 = 302,550.19/x
  3. Step 3: Cross multiply
    138,099.94x = 302,550.19 × 302,550.19
  4. Step 4: Simplify right side
    138,099.94x = 91,536,615,956.29
  5. Step 5: Solve for x
    x = 91,536,615,956.29/138,099.94
  6. Step 6: Final answer
    x = 662,828.80

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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.