Home / 281,476-420,810

Finding the Third Proportional to 281,476 and 420,810

Calculator

Solution

The third proportional to 281,476 and 420,810 is: 629,116.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,476 : 420,810 = 420,810 : x
  2. Step 2: Convert to fraction form
    281,476/420,810 = 420,810/x
  3. Step 3: Cross multiply
    281,476x = 420,810 × 420,810
  4. Step 4: Simplify right side
    281,476x = 177,081,056,100
  5. Step 5: Solve for x
    x = 177,081,056,100/281,476
  6. Step 6: Final answer
    x = 629,116.00

Related Problems

Find third proportional to 140,738 and 210,405
Half scale
Find third proportional to 562,952 and 841,620
Double scale
Find third proportional to 281,478 and 420,813
Similar ratio
Find third proportional to 422,214 and 631,215
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.