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Finding the Third Proportional to 1,583 and 2,381.50

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Solution

The third proportional to 1,583 and 2,381.50 is: 3,582.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583 : 2,381.50 = 2,381.50 : x
  2. Step 2: Convert to fraction form
    1,583/2,381.50 = 2,381.50/x
  3. Step 3: Cross multiply
    1,583x = 2,381.50 × 2,381.50
  4. Step 4: Simplify right side
    1,583x = 5,671,542.25
  5. Step 5: Solve for x
    x = 5,671,542.25/1,583
  6. Step 6: Final answer
    x = 3,582.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.