Home / 316,479-682,446

Finding the Third Proportional to 316,479 and 682,446

Calculator

Solution

The third proportional to 316,479 and 682,446 is: 1,471,606.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,479 : 682,446 = 682,446 : x
  2. Step 2: Convert to fraction form
    316,479/682,446 = 682,446/x
  3. Step 3: Cross multiply
    316,479x = 682,446 × 682,446
  4. Step 4: Simplify right side
    316,479x = 465,732,542,916
  5. Step 5: Solve for x
    x = 465,732,542,916/316,479
  6. Step 6: Final answer
    x = 1,471,606.47

Related Problems

Find third proportional to 158,239.50 and 341,223
Half scale
Find third proportional to 632,958 and 1,364,892
Double scale
Find third proportional to 316,481 and 682,450
Similar ratio
Find third proportional to 474,718.50 and 1,023,669
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.