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Finding the Third Proportional to 251,451 and 542,268

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Solution

The third proportional to 251,451 and 542,268 is: 1,169,430.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,451 : 542,268 = 542,268 : x
  2. Step 2: Convert to fraction form
    251,451/542,268 = 542,268/x
  3. Step 3: Cross multiply
    251,451x = 542,268 × 542,268
  4. Step 4: Simplify right side
    251,451x = 294,054,583,824
  5. Step 5: Solve for x
    x = 294,054,583,824/251,451
  6. Step 6: Final answer
    x = 1,169,430.96

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.