Home / 291,243-441,375

Finding the Third Proportional to 291,243 and 441,375

Calculator

Solution

The third proportional to 291,243 and 441,375 is: 668,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,243 : 441,375 = 441,375 : x
  2. Step 2: Convert to fraction form
    291,243/441,375 = 441,375/x
  3. Step 3: Cross multiply
    291,243x = 441,375 × 441,375
  4. Step 4: Simplify right side
    291,243x = 194,811,890,625
  5. Step 5: Solve for x
    x = 194,811,890,625/291,243
  6. Step 6: Final answer
    x = 668,898.10

Related Problems

Find third proportional to 145,621.50 and 220,687.50
Half scale
Find third proportional to 582,486 and 882,750
Double scale
Find third proportional to 291,245 and 441,378
Similar ratio
Find third proportional to 436,864.50 and 662,062.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.