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Finding the Third Proportional to 30,164 and 43,878

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Solution

The third proportional to 30,164 and 43,878 is: 63,827.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164 : 43,878 = 43,878 : x
  2. Step 2: Convert to fraction form
    30,164/43,878 = 43,878/x
  3. Step 3: Cross multiply
    30,164x = 43,878 × 43,878
  4. Step 4: Simplify right side
    30,164x = 1,925,278,884
  5. Step 5: Solve for x
    x = 1,925,278,884/30,164
  6. Step 6: Final answer
    x = 63,827.04

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.