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Finding the Third Proportional to 378,494 and 585,966

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Solution

The third proportional to 378,494 and 585,966 is: 907,164.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,494 : 585,966 = 585,966 : x
  2. Step 2: Convert to fraction form
    378,494/585,966 = 585,966/x
  3. Step 3: Cross multiply
    378,494x = 585,966 × 585,966
  4. Step 4: Simplify right side
    378,494x = 343,356,153,156
  5. Step 5: Solve for x
    x = 343,356,153,156/378,494
  6. Step 6: Final answer
    x = 907,164.06

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.