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Finding the Third Proportional to 186,961.50 and 407,763

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Solution

The third proportional to 186,961.50 and 407,763 is: 889,331.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,961.50 : 407,763 = 407,763 : x
  2. Step 2: Convert to fraction form
    186,961.50/407,763 = 407,763/x
  3. Step 3: Cross multiply
    186,961.50x = 407,763 × 407,763
  4. Step 4: Simplify right side
    186,961.50x = 166,270,664,169
  5. Step 5: Solve for x
    x = 166,270,664,169/186,961.50
  6. Step 6: Final answer
    x = 889,331.03

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.