Home / 149,046-218,817

Finding the Third Proportional to 149,046 and 218,817

Calculator

Solution

The third proportional to 149,046 and 218,817 is: 321,249.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,046 : 218,817 = 218,817 : x
  2. Step 2: Convert to fraction form
    149,046/218,817 = 218,817/x
  3. Step 3: Cross multiply
    149,046x = 218,817 × 218,817
  4. Step 4: Simplify right side
    149,046x = 47,880,879,489
  5. Step 5: Solve for x
    x = 47,880,879,489/149,046
  6. Step 6: Final answer
    x = 321,249.01

Related Problems

Find third proportional to 74,523 and 109,408.50
Half scale
Find third proportional to 298,092 and 437,634
Double scale
Find third proportional to 149,048 and 218,820
Similar ratio
Find third proportional to 223,569 and 328,225.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.