Home / 79,274,315.25-121,280,847.75

Finding the Third Proportional to 79,274,315.25 and 121,280,847.75

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Solution

The third proportional to 79,274,315.25 and 121,280,847.75 is: 185,546,150.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,274,315.25 : 121,280,847.75 = 121,280,847.75 : x
  2. Step 2: Convert to fraction form
    79,274,315.25/121,280,847.75 = 121,280,847.75/x
  3. Step 3: Cross multiply
    79,274,315.25x = 121,280,847.75 × 121,280,847.75
  4. Step 4: Simplify right side
    79,274,315.25x = 14,709,044,030,958,680
  5. Step 5: Solve for x
    x = 14,709,044,030,958,680/79,274,315.25
  6. Step 6: Final answer
    x = 185,546,150.54

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.