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Finding the Third Proportional to 374.50 and 841.50

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Solution

The third proportional to 374.50 and 841.50 is: 1,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.50 : 841.50 = 841.50 : x
  2. Step 2: Convert to fraction form
    374.50/841.50 = 841.50/x
  3. Step 3: Cross multiply
    374.50x = 841.50 × 841.50
  4. Step 4: Simplify right side
    374.50x = 708,122.25
  5. Step 5: Solve for x
    x = 708,122.25/374.50
  6. Step 6: Final answer
    x = 1,890.85

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Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.