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Finding the Third Proportional to 55,309,800 and 79,670,268

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Solution

The third proportional to 55,309,800 and 79,670,268 is: 114,759,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,309,800 : 79,670,268 = 79,670,268 : x
  2. Step 2: Convert to fraction form
    55,309,800/79,670,268 = 79,670,268/x
  3. Step 3: Cross multiply
    55,309,800x = 79,670,268 × 79,670,268
  4. Step 4: Simplify right side
    55,309,800x = 6,347,351,603,191,824
  5. Step 5: Solve for x
    x = 6,347,351,603,191,824/55,309,800
  6. Step 6: Final answer
    x = 114,759,981.11

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.