Home / 306,842-634,986

Finding the Third Proportional to 306,842 and 634,986

Calculator

Solution

The third proportional to 306,842 and 634,986 is: 1,314,054.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,842 : 634,986 = 634,986 : x
  2. Step 2: Convert to fraction form
    306,842/634,986 = 634,986/x
  3. Step 3: Cross multiply
    306,842x = 634,986 × 634,986
  4. Step 4: Simplify right side
    306,842x = 403,207,220,196
  5. Step 5: Solve for x
    x = 403,207,220,196/306,842
  6. Step 6: Final answer
    x = 1,314,054.86

Related Problems

Find third proportional to 153,421 and 317,493
Half scale
Find third proportional to 613,684 and 1,269,972
Double scale
Find third proportional to 306,844 and 634,990
Similar ratio
Find third proportional to 460,263 and 952,479
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.