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Finding the Third Proportional to 28,454.50 and 40,986.75

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Solution

The third proportional to 28,454.50 and 40,986.75 is: 59,038.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,454.50 : 40,986.75 = 40,986.75 : x
  2. Step 2: Convert to fraction form
    28,454.50/40,986.75 = 40,986.75/x
  3. Step 3: Cross multiply
    28,454.50x = 40,986.75 × 40,986.75
  4. Step 4: Simplify right side
    28,454.50x = 1,679,913,675.56
  5. Step 5: Solve for x
    x = 1,679,913,675.56/28,454.50
  6. Step 6: Final answer
    x = 59,038.59

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.