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Finding the Third Proportional to 56,732 and 81,208

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Solution

The third proportional to 56,732 and 81,208 is: 116,243.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,732 : 81,208 = 81,208 : x
  2. Step 2: Convert to fraction form
    56,732/81,208 = 81,208/x
  3. Step 3: Cross multiply
    56,732x = 81,208 × 81,208
  4. Step 4: Simplify right side
    56,732x = 6,594,739,264
  5. Step 5: Solve for x
    x = 6,594,739,264/56,732
  6. Step 6: Final answer
    x = 116,243.73

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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.