Home / 670.78-1,051.73

Finding the Third Proportional to 670.78 and 1,051.73

Calculator

Solution

The third proportional to 670.78 and 1,051.73 is: 1,649.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    670.78 : 1,051.73 = 1,051.73 : x
  2. Step 2: Convert to fraction form
    670.78/1,051.73 = 1,051.73/x
  3. Step 3: Cross multiply
    670.78x = 1,051.73 × 1,051.73
  4. Step 4: Simplify right side
    670.78x = 1,106,145.20
  5. Step 5: Solve for x
    x = 1,106,145.20/670.78
  6. Step 6: Final answer
    x = 1,649.04

Related Problems

Find third proportional to 335.39 and 525.87
Half scale
Find third proportional to 1,341.56 and 2,103.47
Double scale
Find third proportional to 673 and 1,055
Similar ratio
Find third proportional to 1,006.17 and 1,577.60
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.