Home / 55,543-120,315

Finding the Third Proportional to 55,543 and 120,315

Calculator

Solution

The third proportional to 55,543 and 120,315 is: 260,621.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,543 : 120,315 = 120,315 : x
  2. Step 2: Convert to fraction form
    55,543/120,315 = 120,315/x
  3. Step 3: Cross multiply
    55,543x = 120,315 × 120,315
  4. Step 4: Simplify right side
    55,543x = 14,475,699,225
  5. Step 5: Solve for x
    x = 14,475,699,225/55,543
  6. Step 6: Final answer
    x = 260,621.49

Related Problems

Find third proportional to 27,771.50 and 60,157.50
Half scale
Find third proportional to 111,086 and 240,630
Double scale
Find third proportional to 55,545 and 120,319
Similar ratio
Find third proportional to 83,314.50 and 180,472.50
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.