Home / 142,216-305,518

Finding the Third Proportional to 142,216 and 305,518

Calculator

Solution

The third proportional to 142,216 and 305,518 is: 656,334.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,216 : 305,518 = 305,518 : x
  2. Step 2: Convert to fraction form
    142,216/305,518 = 305,518/x
  3. Step 3: Cross multiply
    142,216x = 305,518 × 305,518
  4. Step 4: Simplify right side
    142,216x = 93,341,248,324
  5. Step 5: Solve for x
    x = 93,341,248,324/142,216
  6. Step 6: Final answer
    x = 656,334.37

Related Problems

Find third proportional to 71,108 and 152,759
Half scale
Find third proportional to 284,432 and 611,036
Double scale
Find third proportional to 142,218 and 305,522
Similar ratio
Find third proportional to 213,324 and 458,277
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.