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Finding the Third Proportional to 169,765.50 and 358,120.50

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Solution

The third proportional to 169,765.50 and 358,120.50 is: 755,455.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,765.50 : 358,120.50 = 358,120.50 : x
  2. Step 2: Convert to fraction form
    169,765.50/358,120.50 = 358,120.50/x
  3. Step 3: Cross multiply
    169,765.50x = 358,120.50 × 358,120.50
  4. Step 4: Simplify right side
    169,765.50x = 128,250,292,520.25
  5. Step 5: Solve for x
    x = 128,250,292,520.25/169,765.50
  6. Step 6: Final answer
    x = 755,455.57

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.