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Finding the Third Proportional to 352 and 554.50

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Solution

The third proportional to 352 and 554.50 is: 873.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    352 : 554.50 = 554.50 : x
  2. Step 2: Convert to fraction form
    352/554.50 = 554.50/x
  3. Step 3: Cross multiply
    352x = 554.50 × 554.50
  4. Step 4: Simplify right side
    352x = 307,470.25
  5. Step 5: Solve for x
    x = 307,470.25/352
  6. Step 6: Final answer
    x = 873.50

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.