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Finding the Third Proportional to 55,552 and 79,176

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Solution

The third proportional to 55,552 and 79,176 is: 112,846.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,552 : 79,176 = 79,176 : x
  2. Step 2: Convert to fraction form
    55,552/79,176 = 79,176/x
  3. Step 3: Cross multiply
    55,552x = 79,176 × 79,176
  4. Step 4: Simplify right side
    55,552x = 6,268,838,976
  5. Step 5: Solve for x
    x = 6,268,838,976/55,552
  6. Step 6: Final answer
    x = 112,846.32

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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.