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Finding the Third Proportional to 384 and 549.50

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Solution

The third proportional to 384 and 549.50 is: 786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    384 : 549.50 = 549.50 : x
  2. Step 2: Convert to fraction form
    384/549.50 = 549.50/x
  3. Step 3: Cross multiply
    384x = 549.50 × 549.50
  4. Step 4: Simplify right side
    384x = 301,950.25
  5. Step 5: Solve for x
    x = 301,950.25/384
  6. Step 6: Final answer
    x = 786.33

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.