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Finding the Third Proportional to 888.50 and 1,820.50

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Solution

The third proportional to 888.50 and 1,820.50 is: 3,730.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.50 : 1,820.50 = 1,820.50 : x
  2. Step 2: Convert to fraction form
    888.50/1,820.50 = 1,820.50/x
  3. Step 3: Cross multiply
    888.50x = 1,820.50 × 1,820.50
  4. Step 4: Simplify right side
    888.50x = 3,314,220.25
  5. Step 5: Solve for x
    x = 3,314,220.25/888.50
  6. Step 6: Final answer
    x = 3,730.13

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.