Home / 40,242,728-87,290,846

Finding the Third Proportional to 40,242,728 and 87,290,846

Calculator

Solution

The third proportional to 40,242,728 and 87,290,846 is: 189,343,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,242,728 : 87,290,846 = 87,290,846 : x
  2. Step 2: Convert to fraction form
    40,242,728/87,290,846 = 87,290,846/x
  3. Step 3: Cross multiply
    40,242,728x = 87,290,846 × 87,290,846
  4. Step 4: Simplify right side
    40,242,728x = 7,619,691,795,395,716
  5. Step 5: Solve for x
    x = 7,619,691,795,395,716/40,242,728
  6. Step 6: Final answer
    x = 189,343,321.74

Related Problems

Find third proportional to 20,121,364 and 43,645,423
Half scale
Find third proportional to 80,485,456 and 174,581,692
Double scale
Find third proportional to 40,242,730 and 87,290,850
Similar ratio
Find third proportional to 60,364,092 and 130,936,269
1.5x scale

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.