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Finding the Third Proportional to 110,413.50 and 161,813

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Solution

The third proportional to 110,413.50 and 161,813 is: 237,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,413.50 : 161,813 = 161,813 : x
  2. Step 2: Convert to fraction form
    110,413.50/161,813 = 161,813/x
  3. Step 3: Cross multiply
    110,413.50x = 161,813 × 161,813
  4. Step 4: Simplify right side
    110,413.50x = 26,183,446,969
  5. Step 5: Solve for x
    x = 26,183,446,969/110,413.50
  6. Step 6: Final answer
    x = 237,139.91

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.