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Finding the Third Proportional to 133,774 and 162,488

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Solution

The third proportional to 133,774 and 162,488 is: 197,365.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,774 : 162,488 = 162,488 : x
  2. Step 2: Convert to fraction form
    133,774/162,488 = 162,488/x
  3. Step 3: Cross multiply
    133,774x = 162,488 × 162,488
  4. Step 4: Simplify right side
    133,774x = 26,402,350,144
  5. Step 5: Solve for x
    x = 26,402,350,144/133,774
  6. Step 6: Final answer
    x = 197,365.33

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.