Home / 442,318-667,142

Finding the Third Proportional to 442,318 and 667,142

Calculator

Solution

The third proportional to 442,318 and 667,142 is: 1,006,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,318 : 667,142 = 667,142 : x
  2. Step 2: Convert to fraction form
    442,318/667,142 = 667,142/x
  3. Step 3: Cross multiply
    442,318x = 667,142 × 667,142
  4. Step 4: Simplify right side
    442,318x = 445,078,448,164
  5. Step 5: Solve for x
    x = 445,078,448,164/442,318
  6. Step 6: Final answer
    x = 1,006,240.87

Related Problems

Find third proportional to 221,159 and 333,571
Half scale
Find third proportional to 884,636 and 1,334,284
Double scale
Find third proportional to 442,320 and 667,145
Similar ratio
Find third proportional to 663,477 and 1,000,713
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.