Home / 145,298-220,120

Finding the Third Proportional to 145,298 and 220,120

Calculator

Solution

The third proportional to 145,298 and 220,120 is: 333,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,298 : 220,120 = 220,120 : x
  2. Step 2: Convert to fraction form
    145,298/220,120 = 220,120/x
  3. Step 3: Cross multiply
    145,298x = 220,120 × 220,120
  4. Step 4: Simplify right side
    145,298x = 48,452,814,400
  5. Step 5: Solve for x
    x = 48,452,814,400/145,298
  6. Step 6: Final answer
    x = 333,472.00

Related Problems

Find third proportional to 72,649 and 110,060
Half scale
Find third proportional to 290,596 and 440,240
Double scale
Find third proportional to 145,300 and 220,123
Similar ratio
Find third proportional to 217,947 and 330,180
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.