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Finding the Third Proportional to 358 and 524.50

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Solution

The third proportional to 358 and 524.50 is: 768.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    358 : 524.50 = 524.50 : x
  2. Step 2: Convert to fraction form
    358/524.50 = 524.50/x
  3. Step 3: Cross multiply
    358x = 524.50 × 524.50
  4. Step 4: Simplify right side
    358x = 275,100.25
  5. Step 5: Solve for x
    x = 275,100.25/358
  6. Step 6: Final answer
    x = 768.44

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.