Home / 320,308-741,430

Finding the Third Proportional to 320,308 and 741,430

Calculator

Solution

The third proportional to 320,308 and 741,430 is: 1,716,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,308 : 741,430 = 741,430 : x
  2. Step 2: Convert to fraction form
    320,308/741,430 = 741,430/x
  3. Step 3: Cross multiply
    320,308x = 741,430 × 741,430
  4. Step 4: Simplify right side
    320,308x = 549,718,444,900
  5. Step 5: Solve for x
    x = 549,718,444,900/320,308
  6. Step 6: Final answer
    x = 1,716,218.28

Related Problems

Find third proportional to 160,154 and 370,715
Half scale
Find third proportional to 640,616 and 1,482,860
Double scale
Find third proportional to 320,310 and 741,435
Similar ratio
Find third proportional to 480,462 and 1,112,145
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.