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Finding the Third Proportional to 190,806 and 302,064

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Solution

The third proportional to 190,806 and 302,064 is: 478,195.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,806 : 302,064 = 302,064 : x
  2. Step 2: Convert to fraction form
    190,806/302,064 = 302,064/x
  3. Step 3: Cross multiply
    190,806x = 302,064 × 302,064
  4. Step 4: Simplify right side
    190,806x = 91,242,660,096
  5. Step 5: Solve for x
    x = 91,242,660,096/190,806
  6. Step 6: Final answer
    x = 478,195.97

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.