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Finding the Third Proportional to 637,999 and 1,391,908

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Solution

The third proportional to 637,999 and 1,391,908 is: 3,036,694.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,999 : 1,391,908 = 1,391,908 : x
  2. Step 2: Convert to fraction form
    637,999/1,391,908 = 1,391,908/x
  3. Step 3: Cross multiply
    637,999x = 1,391,908 × 1,391,908
  4. Step 4: Simplify right side
    637,999x = 1,937,407,880,464
  5. Step 5: Solve for x
    x = 1,937,407,880,464/637,999
  6. Step 6: Final answer
    x = 3,036,694.23

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.