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Finding the Third Proportional to 154,555.50 and 325,713

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Solution

The third proportional to 154,555.50 and 325,713 is: 686,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,555.50 : 325,713 = 325,713 : x
  2. Step 2: Convert to fraction form
    154,555.50/325,713 = 325,713/x
  3. Step 3: Cross multiply
    154,555.50x = 325,713 × 325,713
  4. Step 4: Simplify right side
    154,555.50x = 106,088,958,369
  5. Step 5: Solve for x
    x = 106,088,958,369/154,555.50
  6. Step 6: Final answer
    x = 686,413.35

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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.