Home / 418,334-628,454

Finding the Third Proportional to 418,334 and 628,454

Calculator

Solution

The third proportional to 418,334 and 628,454 is: 944,112.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,334 : 628,454 = 628,454 : x
  2. Step 2: Convert to fraction form
    418,334/628,454 = 628,454/x
  3. Step 3: Cross multiply
    418,334x = 628,454 × 628,454
  4. Step 4: Simplify right side
    418,334x = 394,954,430,116
  5. Step 5: Solve for x
    x = 394,954,430,116/418,334
  6. Step 6: Final answer
    x = 944,112.67

Related Problems

Find third proportional to 209,167 and 314,227
Half scale
Find third proportional to 836,668 and 1,256,908
Double scale
Find third proportional to 418,336 and 628,457
Similar ratio
Find third proportional to 627,501 and 942,681
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.