Home / 3,857,836-8,247,140

Finding the Third Proportional to 3,857,836 and 8,247,140

Calculator

Solution

The third proportional to 3,857,836 and 8,247,140 is: 17,630,432.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857,836 : 8,247,140 = 8,247,140 : x
  2. Step 2: Convert to fraction form
    3,857,836/8,247,140 = 8,247,140/x
  3. Step 3: Cross multiply
    3,857,836x = 8,247,140 × 8,247,140
  4. Step 4: Simplify right side
    3,857,836x = 68,015,318,179,600
  5. Step 5: Solve for x
    x = 68,015,318,179,600/3,857,836
  6. Step 6: Final answer
    x = 17,630,432.76

Related Problems

Find third proportional to 1,928,918 and 4,123,570
Half scale
Find third proportional to 7,715,672 and 16,494,280
Double scale
Find third proportional to 3,857,838 and 8,247,144
Similar ratio
Find third proportional to 5,786,754 and 12,370,710
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.