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Finding the Third Proportional to 315,944 and 701,872

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Solution

The third proportional to 315,944 and 701,872 is: 1,559,213.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,944 : 701,872 = 701,872 : x
  2. Step 2: Convert to fraction form
    315,944/701,872 = 701,872/x
  3. Step 3: Cross multiply
    315,944x = 701,872 × 701,872
  4. Step 4: Simplify right side
    315,944x = 492,624,304,384
  5. Step 5: Solve for x
    x = 492,624,304,384/315,944
  6. Step 6: Final answer
    x = 1,559,213.99

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.