Home / 68,705.50-149,158.50

Finding the Third Proportional to 68,705.50 and 149,158.50

Calculator

Solution

The third proportional to 68,705.50 and 149,158.50 is: 323,820.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,705.50 : 149,158.50 = 149,158.50 : x
  2. Step 2: Convert to fraction form
    68,705.50/149,158.50 = 149,158.50/x
  3. Step 3: Cross multiply
    68,705.50x = 149,158.50 × 149,158.50
  4. Step 4: Simplify right side
    68,705.50x = 22,248,258,122.25
  5. Step 5: Solve for x
    x = 22,248,258,122.25/68,705.50
  6. Step 6: Final answer
    x = 323,820.63

Related Problems

Find third proportional to 34,352.75 and 74,579.25
Half scale
Find third proportional to 137,411 and 298,317
Double scale
Find third proportional to 68,708 and 149,163
Similar ratio
Find third proportional to 103,058.25 and 223,737.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.