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Finding the Third Proportional to 36,576 and 78,948

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Solution

The third proportional to 36,576 and 78,948 is: 170,406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,576 : 78,948 = 78,948 : x
  2. Step 2: Convert to fraction form
    36,576/78,948 = 78,948/x
  3. Step 3: Cross multiply
    36,576x = 78,948 × 78,948
  4. Step 4: Simplify right side
    36,576x = 6,232,786,704
  5. Step 5: Solve for x
    x = 6,232,786,704/36,576
  6. Step 6: Final answer
    x = 170,406.46

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.