Home / 142,656-220,778

Finding the Third Proportional to 142,656 and 220,778

Calculator

Solution

The third proportional to 142,656 and 220,778 is: 341,681.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,656 : 220,778 = 220,778 : x
  2. Step 2: Convert to fraction form
    142,656/220,778 = 220,778/x
  3. Step 3: Cross multiply
    142,656x = 220,778 × 220,778
  4. Step 4: Simplify right side
    142,656x = 48,742,925,284
  5. Step 5: Solve for x
    x = 48,742,925,284/142,656
  6. Step 6: Final answer
    x = 341,681.56

Related Problems

Find third proportional to 71,328 and 110,389
Half scale
Find third proportional to 285,312 and 441,556
Double scale
Find third proportional to 142,658 and 220,781
Similar ratio
Find third proportional to 213,984 and 331,167
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.