Home / 142,944-313,536

Finding the Third Proportional to 142,944 and 313,536

Calculator

Solution

The third proportional to 142,944 and 313,536 is: 687,715.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,944 : 313,536 = 313,536 : x
  2. Step 2: Convert to fraction form
    142,944/313,536 = 313,536/x
  3. Step 3: Cross multiply
    142,944x = 313,536 × 313,536
  4. Step 4: Simplify right side
    142,944x = 98,304,823,296
  5. Step 5: Solve for x
    x = 98,304,823,296/142,944
  6. Step 6: Final answer
    x = 687,715.63

Related Problems

Find third proportional to 71,472 and 156,768
Half scale
Find third proportional to 285,888 and 627,072
Double scale
Find third proportional to 142,946 and 313,540
Similar ratio
Find third proportional to 214,416 and 470,304
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.