Home / 201,715-438,919

Finding the Third Proportional to 201,715 and 438,919

Calculator

Solution

The third proportional to 201,715 and 438,919 is: 955,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,715 : 438,919 = 438,919 : x
  2. Step 2: Convert to fraction form
    201,715/438,919 = 438,919/x
  3. Step 3: Cross multiply
    201,715x = 438,919 × 438,919
  4. Step 4: Simplify right side
    201,715x = 192,649,888,561
  5. Step 5: Solve for x
    x = 192,649,888,561/201,715
  6. Step 6: Final answer
    x = 955,059.80

Related Problems

Find third proportional to 100,857.50 and 219,459.50
Half scale
Find third proportional to 403,430 and 877,838
Double scale
Find third proportional to 201,717 and 438,923
Similar ratio
Find third proportional to 302,572.50 and 658,378.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.