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Finding the Third Proportional to 43,869 and 65,511

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Solution

The third proportional to 43,869 and 65,511 is: 97,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,869 : 65,511 = 65,511 : x
  2. Step 2: Convert to fraction form
    43,869/65,511 = 65,511/x
  3. Step 3: Cross multiply
    43,869x = 65,511 × 65,511
  4. Step 4: Simplify right side
    43,869x = 4,291,691,121
  5. Step 5: Solve for x
    x = 4,291,691,121/43,869
  6. Step 6: Final answer
    x = 97,829.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.