Home / 8,381,646-18,298,572

Finding the Third Proportional to 8,381,646 and 18,298,572

Calculator

Solution

The third proportional to 8,381,646 and 18,298,572 is: 39,948,923.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381,646 : 18,298,572 = 18,298,572 : x
  2. Step 2: Convert to fraction form
    8,381,646/18,298,572 = 18,298,572/x
  3. Step 3: Cross multiply
    8,381,646x = 18,298,572 × 18,298,572
  4. Step 4: Simplify right side
    8,381,646x = 334,837,737,239,184
  5. Step 5: Solve for x
    x = 334,837,737,239,184/8,381,646
  6. Step 6: Final answer
    x = 39,948,923.78

Related Problems

Find third proportional to 4,190,823 and 9,149,286
Half scale
Find third proportional to 16,763,292 and 36,597,144
Double scale
Find third proportional to 8,381,648 and 18,298,576
Similar ratio
Find third proportional to 12,572,469 and 27,447,858
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.