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Finding the Third Proportional to 55,551 and 79,383

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Solution

The third proportional to 55,551 and 79,383 is: 113,439.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,551 : 79,383 = 79,383 : x
  2. Step 2: Convert to fraction form
    55,551/79,383 = 79,383/x
  3. Step 3: Cross multiply
    55,551x = 79,383 × 79,383
  4. Step 4: Simplify right side
    55,551x = 6,301,660,689
  5. Step 5: Solve for x
    x = 6,301,660,689/55,551
  6. Step 6: Final answer
    x = 113,439.19

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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.