Home / 320,007-700,278

Finding the Third Proportional to 320,007 and 700,278

Calculator

Solution

The third proportional to 320,007 and 700,278 is: 1,532,432.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,007 : 700,278 = 700,278 : x
  2. Step 2: Convert to fraction form
    320,007/700,278 = 700,278/x
  3. Step 3: Cross multiply
    320,007x = 700,278 × 700,278
  4. Step 4: Simplify right side
    320,007x = 490,389,277,284
  5. Step 5: Solve for x
    x = 490,389,277,284/320,007
  6. Step 6: Final answer
    x = 1,532,432.97

Related Problems

Find third proportional to 160,003.50 and 350,139
Half scale
Find third proportional to 640,014 and 1,400,556
Double scale
Find third proportional to 320,009 and 700,282
Similar ratio
Find third proportional to 480,010.50 and 1,050,417
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.