Home / 631.50-1,324

Finding the Third Proportional to 631.50 and 1,324

Calculator

Solution

The third proportional to 631.50 and 1,324 is: 2,775.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    631.50 : 1,324 = 1,324 : x
  2. Step 2: Convert to fraction form
    631.50/1,324 = 1,324/x
  3. Step 3: Cross multiply
    631.50x = 1,324 × 1,324
  4. Step 4: Simplify right side
    631.50x = 1,752,976
  5. Step 5: Solve for x
    x = 1,752,976/631.50
  6. Step 6: Final answer
    x = 2,775.89

Related Problems

Find third proportional to 315.75 and 662
Half scale
Find third proportional to 1,263 and 2,648
Double scale
Find third proportional to 634 and 1,328
Similar ratio
Find third proportional to 947.25 and 1,986
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.