Home / 79,505,817.75-171,777,127.50

Finding the Third Proportional to 79,505,817.75 and 171,777,127.50

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Solution

The third proportional to 79,505,817.75 and 171,777,127.50 is: 371,134,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,505,817.75 : 171,777,127.50 = 171,777,127.50 : x
  2. Step 2: Convert to fraction form
    79,505,817.75/171,777,127.50 = 171,777,127.50/x
  3. Step 3: Cross multiply
    79,505,817.75x = 171,777,127.50 × 171,777,127.50
  4. Step 4: Simplify right side
    79,505,817.75x = 29,507,381,532,151,256
  5. Step 5: Solve for x
    x = 29,507,381,532,151,256/79,505,817.75
  6. Step 6: Final answer
    x = 371,134,872.48

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.