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Finding the Third Proportional to 587.63 and 900.25

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Solution

The third proportional to 587.63 and 900.25 is: 1,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    587.63 : 900.25 = 900.25 : x
  2. Step 2: Convert to fraction form
    587.63/900.25 = 900.25/x
  3. Step 3: Cross multiply
    587.63x = 900.25 × 900.25
  4. Step 4: Simplify right side
    587.63x = 810,450.06
  5. Step 5: Solve for x
    x = 810,450.06/587.63
  6. Step 6: Final answer
    x = 1,379.20

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.