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Finding the Third Proportional to 28,188 and 56,340

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Solution

The third proportional to 28,188 and 56,340 is: 112,608.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,188 : 56,340 = 56,340 : x
  2. Step 2: Convert to fraction form
    28,188/56,340 = 56,340/x
  3. Step 3: Cross multiply
    28,188x = 56,340 × 56,340
  4. Step 4: Simplify right side
    28,188x = 3,174,195,600
  5. Step 5: Solve for x
    x = 3,174,195,600/28,188
  6. Step 6: Final answer
    x = 112,608.05

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Why These Related Problems?

These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.