Home / 406,382-632,838

Finding the Third Proportional to 406,382 and 632,838

Calculator

Solution

The third proportional to 406,382 and 632,838 is: 985,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,382 : 632,838 = 632,838 : x
  2. Step 2: Convert to fraction form
    406,382/632,838 = 632,838/x
  3. Step 3: Cross multiply
    406,382x = 632,838 × 632,838
  4. Step 4: Simplify right side
    406,382x = 400,483,934,244
  5. Step 5: Solve for x
    x = 400,483,934,244/406,382
  6. Step 6: Final answer
    x = 985,486.40

Related Problems

Find third proportional to 203,191 and 316,419
Half scale
Find third proportional to 812,764 and 1,265,676
Double scale
Find third proportional to 406,384 and 632,841
Similar ratio
Find third proportional to 609,573 and 949,257
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.