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Finding the Third Proportional to 3,587 and 5,539.75

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Solution

The third proportional to 3,587 and 5,539.75 is: 8,555.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587 : 5,539.75 = 5,539.75 : x
  2. Step 2: Convert to fraction form
    3,587/5,539.75 = 5,539.75/x
  3. Step 3: Cross multiply
    3,587x = 5,539.75 × 5,539.75
  4. Step 4: Simplify right side
    3,587x = 30,688,830.06
  5. Step 5: Solve for x
    x = 30,688,830.06/3,587
  6. Step 6: Final answer
    x = 8,555.57

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.