Home / 299,466-438,051

Finding the Third Proportional to 299,466 and 438,051

Calculator

Solution

The third proportional to 299,466 and 438,051 is: 640,769.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,466 : 438,051 = 438,051 : x
  2. Step 2: Convert to fraction form
    299,466/438,051 = 438,051/x
  3. Step 3: Cross multiply
    299,466x = 438,051 × 438,051
  4. Step 4: Simplify right side
    299,466x = 191,888,678,601
  5. Step 5: Solve for x
    x = 191,888,678,601/299,466
  6. Step 6: Final answer
    x = 640,769.50

Related Problems

Find third proportional to 149,733 and 219,025.50
Half scale
Find third proportional to 598,932 and 876,102
Double scale
Find third proportional to 299,468 and 438,054
Similar ratio
Find third proportional to 449,199 and 657,076.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.