Home / 628,818-888,907

Finding the Third Proportional to 628,818 and 888,907

Calculator

Solution

The third proportional to 628,818 and 888,907 is: 1,256,572.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,818 : 888,907 = 888,907 : x
  2. Step 2: Convert to fraction form
    628,818/888,907 = 888,907/x
  3. Step 3: Cross multiply
    628,818x = 888,907 × 888,907
  4. Step 4: Simplify right side
    628,818x = 790,155,654,649
  5. Step 5: Solve for x
    x = 790,155,654,649/628,818
  6. Step 6: Final answer
    x = 1,256,572.89

Related Problems

Find third proportional to 314,409 and 444,453.50
Half scale
Find third proportional to 1,257,636 and 1,777,814
Double scale
Find third proportional to 628,820 and 888,910
Similar ratio
Find third proportional to 943,227 and 1,333,360.50
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.