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Finding the Third Proportional to 296,908 and 622,992

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Solution

The third proportional to 296,908 and 622,992 is: 1,307,203.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,908 : 622,992 = 622,992 : x
  2. Step 2: Convert to fraction form
    296,908/622,992 = 622,992/x
  3. Step 3: Cross multiply
    296,908x = 622,992 × 622,992
  4. Step 4: Simplify right side
    296,908x = 388,119,032,064
  5. Step 5: Solve for x
    x = 388,119,032,064/296,908
  6. Step 6: Final answer
    x = 1,307,203.01

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.