Home / 320,010-495,621

Finding the Third Proportional to 320,010 and 495,621

Calculator

Solution

The third proportional to 320,010 and 495,621 is: 767,601.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,010 : 495,621 = 495,621 : x
  2. Step 2: Convert to fraction form
    320,010/495,621 = 495,621/x
  3. Step 3: Cross multiply
    320,010x = 495,621 × 495,621
  4. Step 4: Simplify right side
    320,010x = 245,640,175,641
  5. Step 5: Solve for x
    x = 245,640,175,641/320,010
  6. Step 6: Final answer
    x = 767,601.56

Related Problems

Find third proportional to 160,005 and 247,810.50
Half scale
Find third proportional to 640,020 and 991,242
Double scale
Find third proportional to 320,012 and 495,624
Similar ratio
Find third proportional to 480,015 and 743,431.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.