Home / 753.75-1,217.25

Finding the Third Proportional to 753.75 and 1,217.25

Calculator

Solution

The third proportional to 753.75 and 1,217.25 is: 1,965.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    753.75 : 1,217.25 = 1,217.25 : x
  2. Step 2: Convert to fraction form
    753.75/1,217.25 = 1,217.25/x
  3. Step 3: Cross multiply
    753.75x = 1,217.25 × 1,217.25
  4. Step 4: Simplify right side
    753.75x = 1,481,697.56
  5. Step 5: Solve for x
    x = 1,481,697.56/753.75
  6. Step 6: Final answer
    x = 1,965.77

Related Problems

Find third proportional to 376.88 and 608.63
Half scale
Find third proportional to 1,507.50 and 2,434.50
Double scale
Find third proportional to 756 and 1,220
Similar ratio
Find third proportional to 1,130.63 and 1,825.88
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.