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Finding the Third Proportional to 66,629 and 101,308

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Solution

The third proportional to 66,629 and 101,308 is: 154,036.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,629 : 101,308 = 101,308 : x
  2. Step 2: Convert to fraction form
    66,629/101,308 = 101,308/x
  3. Step 3: Cross multiply
    66,629x = 101,308 × 101,308
  4. Step 4: Simplify right side
    66,629x = 10,263,310,864
  5. Step 5: Solve for x
    x = 10,263,310,864/66,629
  6. Step 6: Final answer
    x = 154,036.69

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.