Home / 716.50-1,645.75

Finding the Third Proportional to 716.50 and 1,645.75

Calculator

Solution

The third proportional to 716.50 and 1,645.75 is: 3,780.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    716.50 : 1,645.75 = 1,645.75 : x
  2. Step 2: Convert to fraction form
    716.50/1,645.75 = 1,645.75/x
  3. Step 3: Cross multiply
    716.50x = 1,645.75 × 1,645.75
  4. Step 4: Simplify right side
    716.50x = 2,708,493.06
  5. Step 5: Solve for x
    x = 2,708,493.06/716.50
  6. Step 6: Final answer
    x = 3,780.17

Related Problems

Find third proportional to 358.25 and 822.88
Half scale
Find third proportional to 1,433 and 3,291.50
Double scale
Find third proportional to 719 and 1,650
Similar ratio
Find third proportional to 1,074.75 and 2,468.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.