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Finding the Third Proportional to 1,873 and 4,682.50

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Solution

The third proportional to 1,873 and 4,682.50 is: 11,706.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873 : 4,682.50 = 4,682.50 : x
  2. Step 2: Convert to fraction form
    1,873/4,682.50 = 4,682.50/x
  3. Step 3: Cross multiply
    1,873x = 4,682.50 × 4,682.50
  4. Step 4: Simplify right side
    1,873x = 21,925,806.25
  5. Step 5: Solve for x
    x = 21,925,806.25/1,873
  6. Step 6: Final answer
    x = 11,706.25

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Why These Related Problems?

These problems maintain the same ratio (2.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.