Home / 317,720-495,336

Finding the Third Proportional to 317,720 and 495,336

Calculator

Solution

The third proportional to 317,720 and 495,336 is: 772,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,720 : 495,336 = 495,336 : x
  2. Step 2: Convert to fraction form
    317,720/495,336 = 495,336/x
  3. Step 3: Cross multiply
    317,720x = 495,336 × 495,336
  4. Step 4: Simplify right side
    317,720x = 245,357,752,896
  5. Step 5: Solve for x
    x = 245,357,752,896/317,720
  6. Step 6: Final answer
    x = 772,245.23

Related Problems

Find third proportional to 158,860 and 247,668
Half scale
Find third proportional to 635,440 and 990,672
Double scale
Find third proportional to 317,722 and 495,339
Similar ratio
Find third proportional to 476,580 and 743,004
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.