Home / 120,779,760,661.50-180,122,253,156.50

Finding the Third Proportional to 120,779,760,661.50 and 180,122,253,156.50

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Solution

The third proportional to 120,779,760,661.50 and 180,122,253,156.50 is: 268,621,380,804.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,779,760,661.50 : 180,122,253,156.50 = 180,122,253,156.50 : x
  2. Step 2: Convert to fraction form
    120,779,760,661.50/180,122,253,156.50 = 180,122,253,156.50/x
  3. Step 3: Cross multiply
    120,779,760,661.50x = 180,122,253,156.50 × 180,122,253,156.50
  4. Step 4: Simplify right side
    120,779,760,661.50x = 32,444,026,082,174,273,847,296
  5. Step 5: Solve for x
    x = 32,444,026,082,174,273,847,296/120,779,760,661.50
  6. Step 6: Final answer
    x = 268,621,380,804.87

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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.