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Finding the Third Proportional to 66,201 and 141,878

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Solution

The third proportional to 66,201 and 141,878 is: 304,064.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,201 : 141,878 = 141,878 : x
  2. Step 2: Convert to fraction form
    66,201/141,878 = 141,878/x
  3. Step 3: Cross multiply
    66,201x = 141,878 × 141,878
  4. Step 4: Simplify right side
    66,201x = 20,129,366,884
  5. Step 5: Solve for x
    x = 20,129,366,884/66,201
  6. Step 6: Final answer
    x = 304,064.39

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.