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Finding the Third Proportional to 28,561.50 and 65,826

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Solution

The third proportional to 28,561.50 and 65,826 is: 151,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,561.50 : 65,826 = 65,826 : x
  2. Step 2: Convert to fraction form
    28,561.50/65,826 = 65,826/x
  3. Step 3: Cross multiply
    28,561.50x = 65,826 × 65,826
  4. Step 4: Simplify right side
    28,561.50x = 4,333,062,276
  5. Step 5: Solve for x
    x = 4,333,062,276/28,561.50
  6. Step 6: Final answer
    x = 151,709.90

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.