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Finding the Third Proportional to 156,443.06 and 209,751.19

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Solution

The third proportional to 156,443.06 and 209,751.19 is: 281,224.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,443.06 : 209,751.19 = 209,751.19 : x
  2. Step 2: Convert to fraction form
    156,443.06/209,751.19 = 209,751.19/x
  3. Step 3: Cross multiply
    156,443.06x = 209,751.19 × 209,751.19
  4. Step 4: Simplify right side
    156,443.06x = 43,995,560,657.66
  5. Step 5: Solve for x
    x = 43,995,560,657.66/156,443.06
  6. Step 6: Final answer
    x = 281,224.11

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.