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Finding the Third Proportional to 28,045 and 61,355

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Solution

The third proportional to 28,045 and 61,355 is: 134,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045 : 61,355 = 61,355 : x
  2. Step 2: Convert to fraction form
    28,045/61,355 = 61,355/x
  3. Step 3: Cross multiply
    28,045x = 61,355 × 61,355
  4. Step 4: Simplify right side
    28,045x = 3,764,436,025
  5. Step 5: Solve for x
    x = 3,764,436,025/28,045
  6. Step 6: Final answer
    x = 134,228.42

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.