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Finding the Third Proportional to 133,042 and 195,670

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Solution

The third proportional to 133,042 and 195,670 is: 287,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,042 : 195,670 = 195,670 : x
  2. Step 2: Convert to fraction form
    133,042/195,670 = 195,670/x
  3. Step 3: Cross multiply
    133,042x = 195,670 × 195,670
  4. Step 4: Simplify right side
    133,042x = 38,286,748,900
  5. Step 5: Solve for x
    x = 38,286,748,900/133,042
  6. Step 6: Final answer
    x = 287,779.41

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.