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Finding the Third Proportional to 897.75 and 2,173.50

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Solution

The third proportional to 897.75 and 2,173.50 is: 5,262.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    897.75 : 2,173.50 = 2,173.50 : x
  2. Step 2: Convert to fraction form
    897.75/2,173.50 = 2,173.50/x
  3. Step 3: Cross multiply
    897.75x = 2,173.50 × 2,173.50
  4. Step 4: Simplify right side
    897.75x = 4,724,102.25
  5. Step 5: Solve for x
    x = 4,724,102.25/897.75
  6. Step 6: Final answer
    x = 5,262.16

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.