Home / 689,958-1,065,705

Finding the Third Proportional to 689,958 and 1,065,705

Calculator

Solution

The third proportional to 689,958 and 1,065,705 is: 1,646,081.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,958 : 1,065,705 = 1,065,705 : x
  2. Step 2: Convert to fraction form
    689,958/1,065,705 = 1,065,705/x
  3. Step 3: Cross multiply
    689,958x = 1,065,705 × 1,065,705
  4. Step 4: Simplify right side
    689,958x = 1,135,727,147,025
  5. Step 5: Solve for x
    x = 1,135,727,147,025/689,958
  6. Step 6: Final answer
    x = 1,646,081.57

Related Problems

Find third proportional to 344,979 and 532,852.50
Half scale
Find third proportional to 1,379,916 and 2,131,410
Double scale
Find third proportional to 689,960 and 1,065,708
Similar ratio
Find third proportional to 1,034,937 and 1,598,557.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.