Home / 80,814,539.25-123,239,498.63

Finding the Third Proportional to 80,814,539.25 and 123,239,498.63

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Solution

The third proportional to 80,814,539.25 and 123,239,498.63 is: 187,936,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,814,539.25 : 123,239,498.63 = 123,239,498.63 : x
  2. Step 2: Convert to fraction form
    80,814,539.25/123,239,498.63 = 123,239,498.63/x
  3. Step 3: Cross multiply
    80,814,539.25x = 123,239,498.63 × 123,239,498.63
  4. Step 4: Simplify right side
    80,814,539.25x = 15,187,974,021,341,376
  5. Step 5: Solve for x
    x = 15,187,974,021,341,376/80,814,539.25
  6. Step 6: Final answer
    x = 187,936,158.05

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.