Home / 211,482-308,782

Finding the Third Proportional to 211,482 and 308,782

Calculator

Solution

The third proportional to 211,482 and 308,782 is: 450,848.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,482 : 308,782 = 308,782 : x
  2. Step 2: Convert to fraction form
    211,482/308,782 = 308,782/x
  3. Step 3: Cross multiply
    211,482x = 308,782 × 308,782
  4. Step 4: Simplify right side
    211,482x = 95,346,323,524
  5. Step 5: Solve for x
    x = 95,346,323,524/211,482
  6. Step 6: Final answer
    x = 450,848.41

Related Problems

Find third proportional to 105,741 and 154,391
Half scale
Find third proportional to 422,964 and 617,564
Double scale
Find third proportional to 211,484 and 308,785
Similar ratio
Find third proportional to 317,223 and 463,173
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.