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Finding the Third Proportional to 306,494 and 460,161

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Solution

The third proportional to 306,494 and 460,161 is: 690,872.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,494 : 460,161 = 460,161 : x
  2. Step 2: Convert to fraction form
    306,494/460,161 = 460,161/x
  3. Step 3: Cross multiply
    306,494x = 460,161 × 460,161
  4. Step 4: Simplify right side
    306,494x = 211,748,145,921
  5. Step 5: Solve for x
    x = 211,748,145,921/306,494
  6. Step 6: Final answer
    x = 690,872.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.