Home / 878,962-1,320,783

Finding the Third Proportional to 878,962 and 1,320,783

Calculator

Solution

The third proportional to 878,962 and 1,320,783 is: 1,984,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,962 : 1,320,783 = 1,320,783 : x
  2. Step 2: Convert to fraction form
    878,962/1,320,783 = 1,320,783/x
  3. Step 3: Cross multiply
    878,962x = 1,320,783 × 1,320,783
  4. Step 4: Simplify right side
    878,962x = 1,744,467,733,089
  5. Step 5: Solve for x
    x = 1,744,467,733,089/878,962
  6. Step 6: Final answer
    x = 1,984,690.73

Related Problems

Find third proportional to 439,481 and 660,391.50
Half scale
Find third proportional to 1,757,924 and 2,641,566
Double scale
Find third proportional to 878,964 and 1,320,786
Similar ratio
Find third proportional to 1,318,443 and 1,981,174.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.