Home / 762.50-1,631

Finding the Third Proportional to 762.50 and 1,631

Calculator

Solution

The third proportional to 762.50 and 1,631 is: 3,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    762.50 : 1,631 = 1,631 : x
  2. Step 2: Convert to fraction form
    762.50/1,631 = 1,631/x
  3. Step 3: Cross multiply
    762.50x = 1,631 × 1,631
  4. Step 4: Simplify right side
    762.50x = 2,660,161
  5. Step 5: Solve for x
    x = 2,660,161/762.50
  6. Step 6: Final answer
    x = 3,488.74

Related Problems

Find third proportional to 381.25 and 815.50
Half scale
Find third proportional to 1,525 and 3,262
Double scale
Find third proportional to 765 and 1,635
Similar ratio
Find third proportional to 1,143.75 and 2,446.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.