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Finding the Third Proportional to 129,948 and 194,393

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Solution

The third proportional to 129,948 and 194,393 is: 290,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,948 : 194,393 = 194,393 : x
  2. Step 2: Convert to fraction form
    129,948/194,393 = 194,393/x
  3. Step 3: Cross multiply
    129,948x = 194,393 × 194,393
  4. Step 4: Simplify right side
    129,948x = 37,788,638,449
  5. Step 5: Solve for x
    x = 37,788,638,449/129,948
  6. Step 6: Final answer
    x = 290,798.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.