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Finding the Third Proportional to 76,119.75 and 118,320.75

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Solution

The third proportional to 76,119.75 and 118,320.75 is: 183,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,119.75 : 118,320.75 = 118,320.75 : x
  2. Step 2: Convert to fraction form
    76,119.75/118,320.75 = 118,320.75/x
  3. Step 3: Cross multiply
    76,119.75x = 118,320.75 × 118,320.75
  4. Step 4: Simplify right side
    76,119.75x = 13,999,799,880.56
  5. Step 5: Solve for x
    x = 13,999,799,880.56/76,119.75
  6. Step 6: Final answer
    x = 183,918.10

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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.