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Finding the Third Proportional to 186,869 and 291,968

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Solution

The third proportional to 186,869 and 291,968 is: 456,176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,869 : 291,968 = 291,968 : x
  2. Step 2: Convert to fraction form
    186,869/291,968 = 291,968/x
  3. Step 3: Cross multiply
    186,869x = 291,968 × 291,968
  4. Step 4: Simplify right side
    186,869x = 85,245,313,024
  5. Step 5: Solve for x
    x = 85,245,313,024/186,869
  6. Step 6: Final answer
    x = 456,176.86

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.