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Finding the Third Proportional to 66,844.50 and 142,709.25

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Solution

The third proportional to 66,844.50 and 142,709.25 is: 304,676.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,844.50 : 142,709.25 = 142,709.25 : x
  2. Step 2: Convert to fraction form
    66,844.50/142,709.25 = 142,709.25/x
  3. Step 3: Cross multiply
    66,844.50x = 142,709.25 × 142,709.25
  4. Step 4: Simplify right side
    66,844.50x = 20,365,930,035.56
  5. Step 5: Solve for x
    x = 20,365,930,035.56/66,844.50
  6. Step 6: Final answer
    x = 304,676.23

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.