Home / 142,772-220,444

Finding the Third Proportional to 142,772 and 220,444

Calculator

Solution

The third proportional to 142,772 and 220,444 is: 340,371.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,772 : 220,444 = 220,444 : x
  2. Step 2: Convert to fraction form
    142,772/220,444 = 220,444/x
  3. Step 3: Cross multiply
    142,772x = 220,444 × 220,444
  4. Step 4: Simplify right side
    142,772x = 48,595,557,136
  5. Step 5: Solve for x
    x = 48,595,557,136/142,772
  6. Step 6: Final answer
    x = 340,371.76

Related Problems

Find third proportional to 71,386 and 110,222
Half scale
Find third proportional to 285,544 and 440,888
Double scale
Find third proportional to 142,774 and 220,447
Similar ratio
Find third proportional to 214,158 and 330,666
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.