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Finding the Third Proportional to 169,890.75 and 354,225.38

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Solution

The third proportional to 169,890.75 and 354,225.38 is: 738,566.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,890.75 : 354,225.38 = 354,225.38 : x
  2. Step 2: Convert to fraction form
    169,890.75/354,225.38 = 354,225.38/x
  3. Step 3: Cross multiply
    169,890.75x = 354,225.38 × 354,225.38
  4. Step 4: Simplify right side
    169,890.75x = 125,475,616,293.89
  5. Step 5: Solve for x
    x = 125,475,616,293.89/169,890.75
  6. Step 6: Final answer
    x = 738,566.50

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.