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Finding the Third Proportional to 789,968 and 1,128,873

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Solution

The third proportional to 789,968 and 1,128,873 is: 1,613,171.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,968 : 1,128,873 = 1,128,873 : x
  2. Step 2: Convert to fraction form
    789,968/1,128,873 = 1,128,873/x
  3. Step 3: Cross multiply
    789,968x = 1,128,873 × 1,128,873
  4. Step 4: Simplify right side
    789,968x = 1,274,354,250,129
  5. Step 5: Solve for x
    x = 1,274,354,250,129/789,968
  6. Step 6: Final answer
    x = 1,613,171.99

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.