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Finding the Third Proportional to 76,494 and 118,738

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Solution

The third proportional to 76,494 and 118,738 is: 184,311.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,494 : 118,738 = 118,738 : x
  2. Step 2: Convert to fraction form
    76,494/118,738 = 118,738/x
  3. Step 3: Cross multiply
    76,494x = 118,738 × 118,738
  4. Step 4: Simplify right side
    76,494x = 14,098,712,644
  5. Step 5: Solve for x
    x = 14,098,712,644/76,494
  6. Step 6: Final answer
    x = 184,311.35

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.