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Finding the Third Proportional to 571 and 836.50

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Solution

The third proportional to 571 and 836.50 is: 1,225.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    571 : 836.50 = 836.50 : x
  2. Step 2: Convert to fraction form
    571/836.50 = 836.50/x
  3. Step 3: Cross multiply
    571x = 836.50 × 836.50
  4. Step 4: Simplify right side
    571x = 699,732.25
  5. Step 5: Solve for x
    x = 699,732.25/571
  6. Step 6: Final answer
    x = 1,225.45

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.