Home / 81,840,145.61-177,302,131.77

Finding the Third Proportional to 81,840,145.61 and 177,302,131.77

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Solution

The third proportional to 81,840,145.61 and 177,302,131.77 is: 384,115,224.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,840,145.61 : 177,302,131.77 = 177,302,131.77 : x
  2. Step 2: Convert to fraction form
    81,840,145.61/177,302,131.77 = 177,302,131.77/x
  3. Step 3: Cross multiply
    81,840,145.61x = 177,302,131.77 × 177,302,131.77
  4. Step 4: Simplify right side
    81,840,145.61x = 31,436,045,930,023,328
  5. Step 5: Solve for x
    x = 31,436,045,930,023,328/81,840,145.61
  6. Step 6: Final answer
    x = 384,115,224.84

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.