Home / 120,779,760,659.62-180,122,253,153.75

Finding the Third Proportional to 120,779,760,659.62 and 180,122,253,153.75

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Solution

The third proportional to 120,779,760,659.62 and 180,122,253,153.75 is: 268,621,380,800.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,779,760,659.62 : 180,122,253,153.75 = 180,122,253,153.75 : x
  2. Step 2: Convert to fraction form
    120,779,760,659.62/180,122,253,153.75 = 180,122,253,153.75/x
  3. Step 3: Cross multiply
    120,779,760,659.62x = 180,122,253,153.75 × 180,122,253,153.75
  4. Step 4: Simplify right side
    120,779,760,659.62x = 32,444,026,081,183,600,214,016
  5. Step 5: Solve for x
    x = 32,444,026,081,183,600,214,016/120,779,760,659.62
  6. Step 6: Final answer
    x = 268,621,380,800.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.