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Finding the Third Proportional to 76,518 and 118,768.50

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Solution

The third proportional to 76,518 and 118,768.50 is: 184,348.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,518 : 118,768.50 = 118,768.50 : x
  2. Step 2: Convert to fraction form
    76,518/118,768.50 = 118,768.50/x
  3. Step 3: Cross multiply
    76,518x = 118,768.50 × 118,768.50
  4. Step 4: Simplify right side
    76,518x = 14,105,956,592.25
  5. Step 5: Solve for x
    x = 14,105,956,592.25/76,518
  6. Step 6: Final answer
    x = 184,348.21

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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.