Home / 206,656-317,760

Finding the Third Proportional to 206,656 and 317,760

Calculator

Solution

The third proportional to 206,656 and 317,760 is: 488,596.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,656 : 317,760 = 317,760 : x
  2. Step 2: Convert to fraction form
    206,656/317,760 = 317,760/x
  3. Step 3: Cross multiply
    206,656x = 317,760 × 317,760
  4. Step 4: Simplify right side
    206,656x = 100,971,417,600
  5. Step 5: Solve for x
    x = 100,971,417,600/206,656
  6. Step 6: Final answer
    x = 488,596.59

Related Problems

Find third proportional to 103,328 and 158,880
Half scale
Find third proportional to 413,312 and 635,520
Double scale
Find third proportional to 206,658 and 317,763
Similar ratio
Find third proportional to 309,984 and 476,640
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.