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Finding the Third Proportional to 128,835 and 194,666

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Solution

The third proportional to 128,835 and 194,666 is: 294,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,835 : 194,666 = 194,666 : x
  2. Step 2: Convert to fraction form
    128,835/194,666 = 194,666/x
  3. Step 3: Cross multiply
    128,835x = 194,666 × 194,666
  4. Step 4: Simplify right side
    128,835x = 37,894,851,556
  5. Step 5: Solve for x
    x = 37,894,851,556/128,835
  6. Step 6: Final answer
    x = 294,134.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.