Home / 631,214-887,845

Finding the Third Proportional to 631,214 and 887,845

Calculator

Solution

The third proportional to 631,214 and 887,845 is: 1,248,813.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,214 : 887,845 = 887,845 : x
  2. Step 2: Convert to fraction form
    631,214/887,845 = 887,845/x
  3. Step 3: Cross multiply
    631,214x = 887,845 × 887,845
  4. Step 4: Simplify right side
    631,214x = 788,268,744,025
  5. Step 5: Solve for x
    x = 788,268,744,025/631,214
  6. Step 6: Final answer
    x = 1,248,813.78

Related Problems

Find third proportional to 315,607 and 443,922.50
Half scale
Find third proportional to 1,262,428 and 1,775,690
Double scale
Find third proportional to 631,216 and 887,848
Similar ratio
Find third proportional to 946,821 and 1,331,767.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.