Home / 78,252,340-171,621,208

Finding the Third Proportional to 78,252,340 and 171,621,208

Calculator

Solution

The third proportional to 78,252,340 and 171,621,208 is: 376,395,632.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,252,340 : 171,621,208 = 171,621,208 : x
  2. Step 2: Convert to fraction form
    78,252,340/171,621,208 = 171,621,208/x
  3. Step 3: Cross multiply
    78,252,340x = 171,621,208 × 171,621,208
  4. Step 4: Simplify right side
    78,252,340x = 29,453,839,035,379,264
  5. Step 5: Solve for x
    x = 29,453,839,035,379,264/78,252,340
  6. Step 6: Final answer
    x = 376,395,632.84

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.