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Finding the Third Proportional to 629,130 and 1,368,852

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Solution

The third proportional to 629,130 and 1,368,852 is: 2,978,328.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,130 : 1,368,852 = 1,368,852 : x
  2. Step 2: Convert to fraction form
    629,130/1,368,852 = 1,368,852/x
  3. Step 3: Cross multiply
    629,130x = 1,368,852 × 1,368,852
  4. Step 4: Simplify right side
    629,130x = 1,873,755,797,904
  5. Step 5: Solve for x
    x = 1,873,755,797,904/629,130
  6. Step 6: Final answer
    x = 2,978,328.48

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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.