Home / 810.56-1,259.44

Finding the Third Proportional to 810.56 and 1,259.44

Calculator

Solution

The third proportional to 810.56 and 1,259.44 is: 1,956.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    810.56 : 1,259.44 = 1,259.44 : x
  2. Step 2: Convert to fraction form
    810.56/1,259.44 = 1,259.44/x
  3. Step 3: Cross multiply
    810.56x = 1,259.44 × 1,259.44
  4. Step 4: Simplify right side
    810.56x = 1,586,182.82
  5. Step 5: Solve for x
    x = 1,586,182.82/810.56
  6. Step 6: Final answer
    x = 1,956.89

Related Problems

Find third proportional to 405.28 and 629.72
Half scale
Find third proportional to 1,621.13 and 2,518.88
Double scale
Find third proportional to 813 and 1,263
Similar ratio
Find third proportional to 1,215.84 and 1,889.16
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.