Home / 141,090-218,643

Finding the Third Proportional to 141,090 and 218,643

Calculator

Solution

The third proportional to 141,090 and 218,643 is: 338,824.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,090 : 218,643 = 218,643 : x
  2. Step 2: Convert to fraction form
    141,090/218,643 = 218,643/x
  3. Step 3: Cross multiply
    141,090x = 218,643 × 218,643
  4. Step 4: Simplify right side
    141,090x = 47,804,761,449
  5. Step 5: Solve for x
    x = 47,804,761,449/141,090
  6. Step 6: Final answer
    x = 338,824.59

Related Problems

Find third proportional to 70,545 and 109,321.50
Half scale
Find third proportional to 282,180 and 437,286
Double scale
Find third proportional to 141,092 and 218,646
Similar ratio
Find third proportional to 211,635 and 327,964.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.