Home / 863.06-1,310.63

Finding the Third Proportional to 863.06 and 1,310.63

Calculator

Solution

The third proportional to 863.06 and 1,310.63 is: 1,990.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    863.06 : 1,310.63 = 1,310.63 : x
  2. Step 2: Convert to fraction form
    863.06/1,310.63 = 1,310.63/x
  3. Step 3: Cross multiply
    863.06x = 1,310.63 × 1,310.63
  4. Step 4: Simplify right side
    863.06x = 1,717,737.89
  5. Step 5: Solve for x
    x = 1,717,737.89/863.06
  6. Step 6: Final answer
    x = 1,990.28

Related Problems

Find third proportional to 431.53 and 655.31
Half scale
Find third proportional to 1,726.13 and 2,621.25
Double scale
Find third proportional to 865 and 1,314
Similar ratio
Find third proportional to 1,294.59 and 1,965.94
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.