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Finding the Third Proportional to 170,869 and 373,905

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Solution

The third proportional to 170,869 and 373,905 is: 818,199.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,869 : 373,905 = 373,905 : x
  2. Step 2: Convert to fraction form
    170,869/373,905 = 373,905/x
  3. Step 3: Cross multiply
    170,869x = 373,905 × 373,905
  4. Step 4: Simplify right side
    170,869x = 139,804,949,025
  5. Step 5: Solve for x
    x = 139,804,949,025/170,869
  6. Step 6: Final answer
    x = 818,199.61

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.