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Finding the Third Proportional to 190,656 and 406,632

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Solution

The third proportional to 190,656 and 406,632 is: 867,266.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,656 : 406,632 = 406,632 : x
  2. Step 2: Convert to fraction form
    190,656/406,632 = 406,632/x
  3. Step 3: Cross multiply
    190,656x = 406,632 × 406,632
  4. Step 4: Simplify right side
    190,656x = 165,349,583,424
  5. Step 5: Solve for x
    x = 165,349,583,424/190,656
  6. Step 6: Final answer
    x = 867,266.61

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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.