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Finding the Third Proportional to 622.69 and 941.63

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Solution

The third proportional to 622.69 and 941.63 is: 1,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.69 : 941.63 = 941.63 : x
  2. Step 2: Convert to fraction form
    622.69/941.63 = 941.63/x
  3. Step 3: Cross multiply
    622.69x = 941.63 × 941.63
  4. Step 4: Simplify right side
    622.69x = 886,657.64
  5. Step 5: Solve for x
    x = 886,657.64/622.69
  6. Step 6: Final answer
    x = 1,423.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.