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Finding the Third Proportional to 511,776 and 1,189,728

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Solution

The third proportional to 511,776 and 1,189,728 is: 2,765,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,776 : 1,189,728 = 1,189,728 : x
  2. Step 2: Convert to fraction form
    511,776/1,189,728 = 1,189,728/x
  3. Step 3: Cross multiply
    511,776x = 1,189,728 × 1,189,728
  4. Step 4: Simplify right side
    511,776x = 1,415,452,713,984
  5. Step 5: Solve for x
    x = 1,415,452,713,984/511,776
  6. Step 6: Final answer
    x = 2,765,766.10

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.