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Finding the Third Proportional to 56,056 and 84,291

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Solution

The third proportional to 56,056 and 84,291 is: 126,747.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,056 : 84,291 = 84,291 : x
  2. Step 2: Convert to fraction form
    56,056/84,291 = 84,291/x
  3. Step 3: Cross multiply
    56,056x = 84,291 × 84,291
  4. Step 4: Simplify right side
    56,056x = 7,104,972,681
  5. Step 5: Solve for x
    x = 7,104,972,681/56,056
  6. Step 6: Final answer
    x = 126,747.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.