Home / 201,826-288,078

Finding the Third Proportional to 201,826 and 288,078

Calculator

Solution

The third proportional to 201,826 and 288,078 is: 411,190.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,826 : 288,078 = 288,078 : x
  2. Step 2: Convert to fraction form
    201,826/288,078 = 288,078/x
  3. Step 3: Cross multiply
    201,826x = 288,078 × 288,078
  4. Step 4: Simplify right side
    201,826x = 82,988,934,084
  5. Step 5: Solve for x
    x = 82,988,934,084/201,826
  6. Step 6: Final answer
    x = 411,190.50

Related Problems

Find third proportional to 100,913 and 144,039
Half scale
Find third proportional to 403,652 and 576,156
Double scale
Find third proportional to 201,828 and 288,081
Similar ratio
Find third proportional to 302,739 and 432,117
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.