Home / 68,920.50-148,399.50

Finding the Third Proportional to 68,920.50 and 148,399.50

Calculator

Solution

The third proportional to 68,920.50 and 148,399.50 is: 319,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,920.50 : 148,399.50 = 148,399.50 : x
  2. Step 2: Convert to fraction form
    68,920.50/148,399.50 = 148,399.50/x
  3. Step 3: Cross multiply
    68,920.50x = 148,399.50 × 148,399.50
  4. Step 4: Simplify right side
    68,920.50x = 22,022,411,600.25
  5. Step 5: Solve for x
    x = 22,022,411,600.25/68,920.50
  6. Step 6: Final answer
    x = 319,533.54

Related Problems

Find third proportional to 34,460.25 and 74,199.75
Half scale
Find third proportional to 137,841 and 296,799
Double scale
Find third proportional to 68,923 and 148,404
Similar ratio
Find third proportional to 103,380.75 and 222,599.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.