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Finding the Third Proportional to 194,369.63 and 317,388.38

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Solution

The third proportional to 194,369.63 and 317,388.38 is: 518,267.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,369.63 : 317,388.38 = 317,388.38 : x
  2. Step 2: Convert to fraction form
    194,369.63/317,388.38 = 317,388.38/x
  3. Step 3: Cross multiply
    194,369.63x = 317,388.38 × 317,388.38
  4. Step 4: Simplify right side
    194,369.63x = 100,735,380,585.14
  5. Step 5: Solve for x
    x = 100,735,380,585.14/194,369.63
  6. Step 6: Final answer
    x = 518,267.09

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.