Home / 575.44-781.31

Finding the Third Proportional to 575.44 and 781.31

Calculator

Solution

The third proportional to 575.44 and 781.31 is: 1,060.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.44 : 781.31 = 781.31 : x
  2. Step 2: Convert to fraction form
    575.44/781.31 = 781.31/x
  3. Step 3: Cross multiply
    575.44x = 781.31 × 781.31
  4. Step 4: Simplify right side
    575.44x = 610,449.22
  5. Step 5: Solve for x
    x = 610,449.22/575.44
  6. Step 6: Final answer
    x = 1,060.84

Related Problems

Find third proportional to 287.72 and 390.66
Half scale
Find third proportional to 1,150.88 and 1,562.63
Double scale
Find third proportional to 577 and 784
Similar ratio
Find third proportional to 863.16 and 1,171.97
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.