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Finding the Third Proportional to 470.50 and 824

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Solution

The third proportional to 470.50 and 824 is: 1,443.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    470.50 : 824 = 824 : x
  2. Step 2: Convert to fraction form
    470.50/824 = 824/x
  3. Step 3: Cross multiply
    470.50x = 824 × 824
  4. Step 4: Simplify right side
    470.50x = 678,976
  5. Step 5: Solve for x
    x = 678,976/470.50
  6. Step 6: Final answer
    x = 1,443.09

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Why These Related Problems?

These problems maintain the same ratio (1.75) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.