Home / 282,538-426,688

Finding the Third Proportional to 282,538 and 426,688

Calculator

Solution

The third proportional to 282,538 and 426,688 is: 644,382.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,538 : 426,688 = 426,688 : x
  2. Step 2: Convert to fraction form
    282,538/426,688 = 426,688/x
  3. Step 3: Cross multiply
    282,538x = 426,688 × 426,688
  4. Step 4: Simplify right side
    282,538x = 182,062,649,344
  5. Step 5: Solve for x
    x = 182,062,649,344/282,538
  6. Step 6: Final answer
    x = 644,382.88

Related Problems

Find third proportional to 141,269 and 213,344
Half scale
Find third proportional to 565,076 and 853,376
Double scale
Find third proportional to 282,540 and 426,691
Similar ratio
Find third proportional to 423,807 and 640,032
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.