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Finding the Third Proportional to 190,134 and 410,400

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Solution

The third proportional to 190,134 and 410,400 is: 885,839.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,134 : 410,400 = 410,400 : x
  2. Step 2: Convert to fraction form
    190,134/410,400 = 410,400/x
  3. Step 3: Cross multiply
    190,134x = 410,400 × 410,400
  4. Step 4: Simplify right side
    190,134x = 168,428,160,000
  5. Step 5: Solve for x
    x = 168,428,160,000/190,134
  6. Step 6: Final answer
    x = 885,839.25

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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.