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Finding the Third Proportional to 76,632 and 118,932.75

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Solution

The third proportional to 76,632 and 118,932.75 is: 184,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,632 : 118,932.75 = 118,932.75 : x
  2. Step 2: Convert to fraction form
    76,632/118,932.75 = 118,932.75/x
  3. Step 3: Cross multiply
    76,632x = 118,932.75 × 118,932.75
  4. Step 4: Simplify right side
    76,632x = 14,144,999,022.56
  5. Step 5: Solve for x
    x = 14,144,999,022.56/76,632
  6. Step 6: Final answer
    x = 184,583.45

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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.