Home / 210,266-317,586

Finding the Third Proportional to 210,266 and 317,586

Calculator

Solution

The third proportional to 210,266 and 317,586 is: 479,682.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,266 : 317,586 = 317,586 : x
  2. Step 2: Convert to fraction form
    210,266/317,586 = 317,586/x
  3. Step 3: Cross multiply
    210,266x = 317,586 × 317,586
  4. Step 4: Simplify right side
    210,266x = 100,860,867,396
  5. Step 5: Solve for x
    x = 100,860,867,396/210,266
  6. Step 6: Final answer
    x = 479,682.25

Related Problems

Find third proportional to 105,133 and 158,793
Half scale
Find third proportional to 420,532 and 635,172
Double scale
Find third proportional to 210,268 and 317,589
Similar ratio
Find third proportional to 315,399 and 476,379
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.