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Finding the Third Proportional to 1,503.56 and 2,289.94

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Solution

The third proportional to 1,503.56 and 2,289.94 is: 3,487.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503.56 : 2,289.94 = 2,289.94 : x
  2. Step 2: Convert to fraction form
    1,503.56/2,289.94 = 2,289.94/x
  3. Step 3: Cross multiply
    1,503.56x = 2,289.94 × 2,289.94
  4. Step 4: Simplify right side
    1,503.56x = 5,243,813.75
  5. Step 5: Solve for x
    x = 5,243,813.75/1,503.56
  6. Step 6: Final answer
    x = 3,487.59

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.