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Finding the Third Proportional to 315,948 and 701,880

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Solution

The third proportional to 315,948 and 701,880 is: 1,559,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,948 : 701,880 = 701,880 : x
  2. Step 2: Convert to fraction form
    315,948/701,880 = 701,880/x
  3. Step 3: Cross multiply
    315,948x = 701,880 × 701,880
  4. Step 4: Simplify right side
    315,948x = 492,635,534,400
  5. Step 5: Solve for x
    x = 492,635,534,400/315,948
  6. Step 6: Final answer
    x = 1,559,229.79

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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.