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Finding the Third Proportional to 28,755 and 61,236

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Solution

The third proportional to 28,755 and 61,236 is: 130,406.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,755 : 61,236 = 61,236 : x
  2. Step 2: Convert to fraction form
    28,755/61,236 = 61,236/x
  3. Step 3: Cross multiply
    28,755x = 61,236 × 61,236
  4. Step 4: Simplify right side
    28,755x = 3,749,847,696
  5. Step 5: Solve for x
    x = 3,749,847,696/28,755
  6. Step 6: Final answer
    x = 130,406.81

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.