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Finding the Third Proportional to 194,457.75 and 291,690

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Solution

The third proportional to 194,457.75 and 291,690 is: 437,540.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,457.75 : 291,690 = 291,690 : x
  2. Step 2: Convert to fraction form
    194,457.75/291,690 = 291,690/x
  3. Step 3: Cross multiply
    194,457.75x = 291,690 × 291,690
  4. Step 4: Simplify right side
    194,457.75x = 85,083,056,100
  5. Step 5: Solve for x
    x = 85,083,056,100/194,457.75
  6. Step 6: Final answer
    x = 437,540.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.