Home / 312,735-682,818

Finding the Third Proportional to 312,735 and 682,818

Calculator

Solution

The third proportional to 312,735 and 682,818 is: 1,490,848.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,735 : 682,818 = 682,818 : x
  2. Step 2: Convert to fraction form
    312,735/682,818 = 682,818/x
  3. Step 3: Cross multiply
    312,735x = 682,818 × 682,818
  4. Step 4: Simplify right side
    312,735x = 466,240,421,124
  5. Step 5: Solve for x
    x = 466,240,421,124/312,735
  6. Step 6: Final answer
    x = 1,490,848.23

Related Problems

Find third proportional to 156,367.50 and 341,409
Half scale
Find third proportional to 625,470 and 1,365,636
Double scale
Find third proportional to 312,737 and 682,822
Similar ratio
Find third proportional to 469,102.50 and 1,024,227
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.