Home / 216,957-471,231

Finding the Third Proportional to 216,957 and 471,231

Calculator

Solution

The third proportional to 216,957 and 471,231 is: 1,023,514.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,957 : 471,231 = 471,231 : x
  2. Step 2: Convert to fraction form
    216,957/471,231 = 471,231/x
  3. Step 3: Cross multiply
    216,957x = 471,231 × 471,231
  4. Step 4: Simplify right side
    216,957x = 222,058,655,361
  5. Step 5: Solve for x
    x = 222,058,655,361/216,957
  6. Step 6: Final answer
    x = 1,023,514.59

Related Problems

Find third proportional to 108,478.50 and 235,615.50
Half scale
Find third proportional to 433,914 and 942,462
Double scale
Find third proportional to 216,959 and 471,235
Similar ratio
Find third proportional to 325,435.50 and 706,846.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.