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Finding the Third Proportional to 319,524 and 501,228

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Solution

The third proportional to 319,524 and 501,228 is: 786,261.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,524 : 501,228 = 501,228 : x
  2. Step 2: Convert to fraction form
    319,524/501,228 = 501,228/x
  3. Step 3: Cross multiply
    319,524x = 501,228 × 501,228
  4. Step 4: Simplify right side
    319,524x = 251,229,507,984
  5. Step 5: Solve for x
    x = 251,229,507,984/319,524
  6. Step 6: Final answer
    x = 786,261.78

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.