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Finding the Third Proportional to 368.50 and 549

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Solution

The third proportional to 368.50 and 549 is: 817.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.50 : 549 = 549 : x
  2. Step 2: Convert to fraction form
    368.50/549 = 549/x
  3. Step 3: Cross multiply
    368.50x = 549 × 549
  4. Step 4: Simplify right side
    368.50x = 301,401
  5. Step 5: Solve for x
    x = 301,401/368.50
  6. Step 6: Final answer
    x = 817.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.