Home / 142,428-220,527

Finding the Third Proportional to 142,428 and 220,527

Calculator

Solution

The third proportional to 142,428 and 220,527 is: 341,450.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,428 : 220,527 = 220,527 : x
  2. Step 2: Convert to fraction form
    142,428/220,527 = 220,527/x
  3. Step 3: Cross multiply
    142,428x = 220,527 × 220,527
  4. Step 4: Simplify right side
    142,428x = 48,632,157,729
  5. Step 5: Solve for x
    x = 48,632,157,729/142,428
  6. Step 6: Final answer
    x = 341,450.82

Related Problems

Find third proportional to 71,214 and 110,263.50
Half scale
Find third proportional to 284,856 and 441,054
Double scale
Find third proportional to 142,430 and 220,530
Similar ratio
Find third proportional to 213,642 and 330,790.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.