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Finding the Third Proportional to 560.75 and 835.75

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Solution

The third proportional to 560.75 and 835.75 is: 1,245.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.75 : 835.75 = 835.75 : x
  2. Step 2: Convert to fraction form
    560.75/835.75 = 835.75/x
  3. Step 3: Cross multiply
    560.75x = 835.75 × 835.75
  4. Step 4: Simplify right side
    560.75x = 698,478.06
  5. Step 5: Solve for x
    x = 698,478.06/560.75
  6. Step 6: Final answer
    x = 1,245.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.