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Finding the Third Proportional to 76,617 and 118,935

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Solution

The third proportional to 76,617 and 118,935 is: 184,626.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,617 : 118,935 = 118,935 : x
  2. Step 2: Convert to fraction form
    76,617/118,935 = 118,935/x
  3. Step 3: Cross multiply
    76,617x = 118,935 × 118,935
  4. Step 4: Simplify right side
    76,617x = 14,145,534,225
  5. Step 5: Solve for x
    x = 14,145,534,225/76,617
  6. Step 6: Final answer
    x = 184,626.57

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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.