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Finding the Third Proportional to 190,527.75 and 406,361.25

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Solution

The third proportional to 190,527.75 and 406,361.25 is: 866,695.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,527.75 : 406,361.25 = 406,361.25 : x
  2. Step 2: Convert to fraction form
    190,527.75/406,361.25 = 406,361.25/x
  3. Step 3: Cross multiply
    190,527.75x = 406,361.25 × 406,361.25
  4. Step 4: Simplify right side
    190,527.75x = 165,129,465,501.56
  5. Step 5: Solve for x
    x = 165,129,465,501.56/190,527.75
  6. Step 6: Final answer
    x = 866,695.09

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.