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Finding the Third Proportional to 186,321.75 and 402,147.75

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Solution

The third proportional to 186,321.75 and 402,147.75 is: 867,976.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,321.75 : 402,147.75 = 402,147.75 : x
  2. Step 2: Convert to fraction form
    186,321.75/402,147.75 = 402,147.75/x
  3. Step 3: Cross multiply
    186,321.75x = 402,147.75 × 402,147.75
  4. Step 4: Simplify right side
    186,321.75x = 161,722,812,830.06
  5. Step 5: Solve for x
    x = 161,722,812,830.06/186,321.75
  6. Step 6: Final answer
    x = 867,976.03

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.