Home / 2,155,747-4,694,220

Finding the Third Proportional to 2,155,747 and 4,694,220

Calculator

Solution

The third proportional to 2,155,747 and 4,694,220 is: 10,221,840.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,747 : 4,694,220 = 4,694,220 : x
  2. Step 2: Convert to fraction form
    2,155,747/4,694,220 = 4,694,220/x
  3. Step 3: Cross multiply
    2,155,747x = 4,694,220 × 4,694,220
  4. Step 4: Simplify right side
    2,155,747x = 22,035,701,408,400
  5. Step 5: Solve for x
    x = 22,035,701,408,400/2,155,747
  6. Step 6: Final answer
    x = 10,221,840.23

Related Problems

Find third proportional to 1,077,873.50 and 2,347,110
Half scale
Find third proportional to 4,311,494 and 9,388,440
Double scale
Find third proportional to 2,155,749 and 4,694,224
Similar ratio
Find third proportional to 3,233,620.50 and 7,041,330
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.