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Finding the Third Proportional to 54,119 and 79,084

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Solution

The third proportional to 54,119 and 79,084 is: 115,565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,119 : 79,084 = 79,084 : x
  2. Step 2: Convert to fraction form
    54,119/79,084 = 79,084/x
  3. Step 3: Cross multiply
    54,119x = 79,084 × 79,084
  4. Step 4: Simplify right side
    54,119x = 6,254,279,056
  5. Step 5: Solve for x
    x = 6,254,279,056/54,119
  6. Step 6: Final answer
    x = 115,565.31

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.