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Finding the Third Proportional to 56,208 and 84,682

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Solution

The third proportional to 56,208 and 84,682 is: 127,580.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,208 : 84,682 = 84,682 : x
  2. Step 2: Convert to fraction form
    56,208/84,682 = 84,682/x
  3. Step 3: Cross multiply
    56,208x = 84,682 × 84,682
  4. Step 4: Simplify right side
    56,208x = 7,171,041,124
  5. Step 5: Solve for x
    x = 7,171,041,124/56,208
  6. Step 6: Final answer
    x = 127,580.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.