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Finding the Third Proportional to 66,475.69 and 139,922.44

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Solution

The third proportional to 66,475.69 and 139,922.44 is: 294,518.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,475.69 : 139,922.44 = 139,922.44 : x
  2. Step 2: Convert to fraction form
    66,475.69/139,922.44 = 139,922.44/x
  3. Step 3: Cross multiply
    66,475.69x = 139,922.44 × 139,922.44
  4. Step 4: Simplify right side
    66,475.69x = 19,578,288,515.94
  5. Step 5: Solve for x
    x = 19,578,288,515.94/66,475.69
  6. Step 6: Final answer
    x = 294,518.03

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.