Home / 70,408-146,642

Finding the Third Proportional to 70,408 and 146,642

Calculator

Solution

The third proportional to 70,408 and 146,642 is: 305,418.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,408 : 146,642 = 146,642 : x
  2. Step 2: Convert to fraction form
    70,408/146,642 = 146,642/x
  3. Step 3: Cross multiply
    70,408x = 146,642 × 146,642
  4. Step 4: Simplify right side
    70,408x = 21,503,876,164
  5. Step 5: Solve for x
    x = 21,503,876,164/70,408
  6. Step 6: Final answer
    x = 305,418.08

Related Problems

Find third proportional to 35,204 and 73,321
Half scale
Find third proportional to 140,816 and 293,284
Double scale
Find third proportional to 70,410 and 146,646
Similar ratio
Find third proportional to 105,612 and 219,963
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.