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Finding the Third Proportional to 28,747.50 and 46,158.75

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Solution

The third proportional to 28,747.50 and 46,158.75 is: 74,115.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747.50 : 46,158.75 = 46,158.75 : x
  2. Step 2: Convert to fraction form
    28,747.50/46,158.75 = 46,158.75/x
  3. Step 3: Cross multiply
    28,747.50x = 46,158.75 × 46,158.75
  4. Step 4: Simplify right side
    28,747.50x = 2,130,630,201.56
  5. Step 5: Solve for x
    x = 2,130,630,201.56/28,747.50
  6. Step 6: Final answer
    x = 74,115.32

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.