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Finding the Third Proportional to 384.75 and 899.88

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Solution

The third proportional to 384.75 and 899.88 is: 2,104.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.75 : 899.88 = 899.88 : x
  2. Step 2: Convert to fraction form
    384.75/899.88 = 899.88/x
  3. Step 3: Cross multiply
    384.75x = 899.88 × 899.88
  4. Step 4: Simplify right side
    384.75x = 809,775.02
  5. Step 5: Solve for x
    x = 809,775.02/384.75
  6. Step 6: Final answer
    x = 2,104.68

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.