Home / 268,679-419,360

Finding the Third Proportional to 268,679 and 419,360

Calculator

Solution

The third proportional to 268,679 and 419,360 is: 654,546.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,679 : 419,360 = 419,360 : x
  2. Step 2: Convert to fraction form
    268,679/419,360 = 419,360/x
  3. Step 3: Cross multiply
    268,679x = 419,360 × 419,360
  4. Step 4: Simplify right side
    268,679x = 175,862,809,600
  5. Step 5: Solve for x
    x = 175,862,809,600/268,679
  6. Step 6: Final answer
    x = 654,546.17

Related Problems

Find third proportional to 134,339.50 and 209,680
Half scale
Find third proportional to 537,358 and 838,720
Double scale
Find third proportional to 268,681 and 419,363
Similar ratio
Find third proportional to 403,018.50 and 629,040
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.