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Finding the Third Proportional to 91,164 and 199,608

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Solution

The third proportional to 91,164 and 199,608 is: 437,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,164 : 199,608 = 199,608 : x
  2. Step 2: Convert to fraction form
    91,164/199,608 = 199,608/x
  3. Step 3: Cross multiply
    91,164x = 199,608 × 199,608
  4. Step 4: Simplify right side
    91,164x = 39,843,353,664
  5. Step 5: Solve for x
    x = 39,843,353,664/91,164
  6. Step 6: Final answer
    x = 437,051.40

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.