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Finding the Third Proportional to 608.75 and 900.13

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Solution

The third proportional to 608.75 and 900.13 is: 1,330.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    608.75 : 900.13 = 900.13 : x
  2. Step 2: Convert to fraction form
    608.75/900.13 = 900.13/x
  3. Step 3: Cross multiply
    608.75x = 900.13 × 900.13
  4. Step 4: Simplify right side
    608.75x = 810,225.02
  5. Step 5: Solve for x
    x = 810,225.02/608.75
  6. Step 6: Final answer
    x = 1,330.97

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.