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Finding the Third Proportional to 129,261 and 194,028

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Solution

The third proportional to 129,261 and 194,028 is: 291,246.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,261 : 194,028 = 194,028 : x
  2. Step 2: Convert to fraction form
    129,261/194,028 = 194,028/x
  3. Step 3: Cross multiply
    129,261x = 194,028 × 194,028
  4. Step 4: Simplify right side
    129,261x = 37,646,864,784
  5. Step 5: Solve for x
    x = 37,646,864,784/129,261
  6. Step 6: Final answer
    x = 291,246.89

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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.