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Finding the Third Proportional to 55,560 and 79,393

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Solution

The third proportional to 55,560 and 79,393 is: 113,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,560 : 79,393 = 79,393 : x
  2. Step 2: Convert to fraction form
    55,560/79,393 = 79,393/x
  3. Step 3: Cross multiply
    55,560x = 79,393 × 79,393
  4. Step 4: Simplify right side
    55,560x = 6,303,248,449
  5. Step 5: Solve for x
    x = 6,303,248,449/55,560
  6. Step 6: Final answer
    x = 113,449.40

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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.