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Finding the Third Proportional to 458.25 and 893.50

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Solution

The third proportional to 458.25 and 893.50 is: 1,742.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    458.25 : 893.50 = 893.50 : x
  2. Step 2: Convert to fraction form
    458.25/893.50 = 893.50/x
  3. Step 3: Cross multiply
    458.25x = 893.50 × 893.50
  4. Step 4: Simplify right side
    458.25x = 798,342.25
  5. Step 5: Solve for x
    x = 798,342.25/458.25
  6. Step 6: Final answer
    x = 1,742.15

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.