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Finding the Third Proportional to 66,504 and 143,559

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Solution

The third proportional to 66,504 and 143,559 is: 309,893.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,504 : 143,559 = 143,559 : x
  2. Step 2: Convert to fraction form
    66,504/143,559 = 143,559/x
  3. Step 3: Cross multiply
    66,504x = 143,559 × 143,559
  4. Step 4: Simplify right side
    66,504x = 20,609,186,481
  5. Step 5: Solve for x
    x = 20,609,186,481/66,504
  6. Step 6: Final answer
    x = 309,893.94

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.