Home / 754.50-1,720.88

Finding the Third Proportional to 754.50 and 1,720.88

Calculator

Solution

The third proportional to 754.50 and 1,720.88 is: 3,925.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    754.50 : 1,720.88 = 1,720.88 : x
  2. Step 2: Convert to fraction form
    754.50/1,720.88 = 1,720.88/x
  3. Step 3: Cross multiply
    754.50x = 1,720.88 × 1,720.88
  4. Step 4: Simplify right side
    754.50x = 2,961,410.77
  5. Step 5: Solve for x
    x = 2,961,410.77/754.50
  6. Step 6: Final answer
    x = 3,925.00

Related Problems

Find third proportional to 377.25 and 860.44
Half scale
Find third proportional to 1,509 and 3,441.75
Double scale
Find third proportional to 757 and 1,725
Similar ratio
Find third proportional to 1,131.75 and 2,581.31
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.