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Finding the Third Proportional to 30,673 and 66,952

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Solution

The third proportional to 30,673 and 66,952 is: 146,140.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,673 : 66,952 = 66,952 : x
  2. Step 2: Convert to fraction form
    30,673/66,952 = 66,952/x
  3. Step 3: Cross multiply
    30,673x = 66,952 × 66,952
  4. Step 4: Simplify right side
    30,673x = 4,482,570,304
  5. Step 5: Solve for x
    x = 4,482,570,304/30,673
  6. Step 6: Final answer
    x = 146,140.59

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.