Home / 151,464-318,621

Finding the Third Proportional to 151,464 and 318,621

Calculator

Solution

The third proportional to 151,464 and 318,621 is: 670,253.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,464 : 318,621 = 318,621 : x
  2. Step 2: Convert to fraction form
    151,464/318,621 = 318,621/x
  3. Step 3: Cross multiply
    151,464x = 318,621 × 318,621
  4. Step 4: Simplify right side
    151,464x = 101,519,341,641
  5. Step 5: Solve for x
    x = 101,519,341,641/151,464
  6. Step 6: Final answer
    x = 670,253.93

Related Problems

Find third proportional to 75,732 and 159,310.50
Half scale
Find third proportional to 302,928 and 637,242
Double scale
Find third proportional to 151,466 and 318,625
Similar ratio
Find third proportional to 227,196 and 477,931.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.