Home / 208,156-438,062

Finding the Third Proportional to 208,156 and 438,062

Calculator

Solution

The third proportional to 208,156 and 438,062 is: 921,896.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,156 : 438,062 = 438,062 : x
  2. Step 2: Convert to fraction form
    208,156/438,062 = 438,062/x
  3. Step 3: Cross multiply
    208,156x = 438,062 × 438,062
  4. Step 4: Simplify right side
    208,156x = 191,898,315,844
  5. Step 5: Solve for x
    x = 191,898,315,844/208,156
  6. Step 6: Final answer
    x = 921,896.63

Related Problems

Find third proportional to 104,078 and 219,031
Half scale
Find third proportional to 416,312 and 876,124
Double scale
Find third proportional to 208,158 and 438,066
Similar ratio
Find third proportional to 312,234 and 657,093
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.