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Finding the Third Proportional to 154,165 and 312,583

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Solution

The third proportional to 154,165 and 312,583 is: 633,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,165 : 312,583 = 312,583 : x
  2. Step 2: Convert to fraction form
    154,165/312,583 = 312,583/x
  3. Step 3: Cross multiply
    154,165x = 312,583 × 312,583
  4. Step 4: Simplify right side
    154,165x = 97,708,131,889
  5. Step 5: Solve for x
    x = 97,708,131,889/154,165
  6. Step 6: Final answer
    x = 633,789.33

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.