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Finding the Third Proportional to 38,816 and 56,704

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Solution

The third proportional to 38,816 and 56,704 is: 82,835.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,816 : 56,704 = 56,704 : x
  2. Step 2: Convert to fraction form
    38,816/56,704 = 56,704/x
  3. Step 3: Cross multiply
    38,816x = 56,704 × 56,704
  4. Step 4: Simplify right side
    38,816x = 3,215,343,616
  5. Step 5: Solve for x
    x = 3,215,343,616/38,816
  6. Step 6: Final answer
    x = 82,835.52

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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.