Home / 306,677-660,010

Finding the Third Proportional to 306,677 and 660,010

Calculator

Solution

The third proportional to 306,677 and 660,010 is: 1,420,429.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,677 : 660,010 = 660,010 : x
  2. Step 2: Convert to fraction form
    306,677/660,010 = 660,010/x
  3. Step 3: Cross multiply
    306,677x = 660,010 × 660,010
  4. Step 4: Simplify right side
    306,677x = 435,613,200,100
  5. Step 5: Solve for x
    x = 435,613,200,100/306,677
  6. Step 6: Final answer
    x = 1,420,429.96

Related Problems

Find third proportional to 153,338.50 and 330,005
Half scale
Find third proportional to 613,354 and 1,320,020
Double scale
Find third proportional to 306,679 and 660,014
Similar ratio
Find third proportional to 460,015.50 and 990,015
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.