Home / 840,808-1,269,956

Finding the Third Proportional to 840,808 and 1,269,956

Calculator

Solution

The third proportional to 840,808 and 1,269,956 is: 1,918,140.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,808 : 1,269,956 = 1,269,956 : x
  2. Step 2: Convert to fraction form
    840,808/1,269,956 = 1,269,956/x
  3. Step 3: Cross multiply
    840,808x = 1,269,956 × 1,269,956
  4. Step 4: Simplify right side
    840,808x = 1,612,788,241,936
  5. Step 5: Solve for x
    x = 1,612,788,241,936/840,808
  6. Step 6: Final answer
    x = 1,918,140.93

Related Problems

Find third proportional to 420,404 and 634,978
Half scale
Find third proportional to 1,681,616 and 2,539,912
Double scale
Find third proportional to 840,810 and 1,269,959
Similar ratio
Find third proportional to 1,261,212 and 1,904,934
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.