Home / 143,792-312,682

Finding the Third Proportional to 143,792 and 312,682

Calculator

Solution

The third proportional to 143,792 and 312,682 is: 679,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,792 : 312,682 = 312,682 : x
  2. Step 2: Convert to fraction form
    143,792/312,682 = 312,682/x
  3. Step 3: Cross multiply
    143,792x = 312,682 × 312,682
  4. Step 4: Simplify right side
    143,792x = 97,770,033,124
  5. Step 5: Solve for x
    x = 97,770,033,124/143,792
  6. Step 6: Final answer
    x = 679,940.70

Related Problems

Find third proportional to 71,896 and 156,341
Half scale
Find third proportional to 287,584 and 625,364
Double scale
Find third proportional to 143,794 and 312,686
Similar ratio
Find third proportional to 215,688 and 469,023
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.