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Finding the Third Proportional to 568.69 and 911.25

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Solution

The third proportional to 568.69 and 911.25 is: 1,460.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.69 : 911.25 = 911.25 : x
  2. Step 2: Convert to fraction form
    568.69/911.25 = 911.25/x
  3. Step 3: Cross multiply
    568.69x = 911.25 × 911.25
  4. Step 4: Simplify right side
    568.69x = 830,376.56
  5. Step 5: Solve for x
    x = 830,376.56/568.69
  6. Step 6: Final answer
    x = 1,460.16

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.