Home / 281,730-422,514

Finding the Third Proportional to 281,730 and 422,514

Calculator

Solution

The third proportional to 281,730 and 422,514 is: 633,649.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,730 : 422,514 = 422,514 : x
  2. Step 2: Convert to fraction form
    281,730/422,514 = 422,514/x
  3. Step 3: Cross multiply
    281,730x = 422,514 × 422,514
  4. Step 4: Simplify right side
    281,730x = 178,518,080,196
  5. Step 5: Solve for x
    x = 178,518,080,196/281,730
  6. Step 6: Final answer
    x = 633,649.52

Related Problems

Find third proportional to 140,865 and 211,257
Half scale
Find third proportional to 563,460 and 845,028
Double scale
Find third proportional to 281,732 and 422,517
Similar ratio
Find third proportional to 422,595 and 633,771
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.