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Finding the Third Proportional to 583.75 and 913.75

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Solution

The third proportional to 583.75 and 913.75 is: 1,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.75 : 913.75 = 913.75 : x
  2. Step 2: Convert to fraction form
    583.75/913.75 = 913.75/x
  3. Step 3: Cross multiply
    583.75x = 913.75 × 913.75
  4. Step 4: Simplify right side
    583.75x = 834,939.06
  5. Step 5: Solve for x
    x = 834,939.06/583.75
  6. Step 6: Final answer
    x = 1,430.30

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.