Home / 418,102-628,095

Finding the Third Proportional to 418,102 and 628,095

Calculator

Solution

The third proportional to 418,102 and 628,095 is: 943,557.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,102 : 628,095 = 628,095 : x
  2. Step 2: Convert to fraction form
    418,102/628,095 = 628,095/x
  3. Step 3: Cross multiply
    418,102x = 628,095 × 628,095
  4. Step 4: Simplify right side
    418,102x = 394,503,329,025
  5. Step 5: Solve for x
    x = 394,503,329,025/418,102
  6. Step 6: Final answer
    x = 943,557.62

Related Problems

Find third proportional to 209,051 and 314,047.50
Half scale
Find third proportional to 836,204 and 1,256,190
Double scale
Find third proportional to 418,104 and 628,098
Similar ratio
Find third proportional to 627,153 and 942,142.50
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.