Home / 70,458-147,839.63

Finding the Third Proportional to 70,458 and 147,839.63

Calculator

Solution

The third proportional to 70,458 and 147,839.63 is: 310,206.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,458 : 147,839.63 = 147,839.63 : x
  2. Step 2: Convert to fraction form
    70,458/147,839.63 = 147,839.63/x
  3. Step 3: Cross multiply
    70,458x = 147,839.63 × 147,839.63
  4. Step 4: Simplify right side
    70,458x = 21,856,554,720.14
  5. Step 5: Solve for x
    x = 21,856,554,720.14/70,458
  6. Step 6: Final answer
    x = 310,206.86

Related Problems

Find third proportional to 35,229 and 73,919.81
Half scale
Find third proportional to 140,916 and 295,679.25
Double scale
Find third proportional to 70,460 and 147,844
Similar ratio
Find third proportional to 105,687 and 221,759.44
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.