Home / 97,438-209,915

Finding the Third Proportional to 97,438 and 209,915

Calculator

Solution

The third proportional to 97,438 and 209,915 is: 452,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,438 : 209,915 = 209,915 : x
  2. Step 2: Convert to fraction form
    97,438/209,915 = 209,915/x
  3. Step 3: Cross multiply
    97,438x = 209,915 × 209,915
  4. Step 4: Simplify right side
    97,438x = 44,064,307,225
  5. Step 5: Solve for x
    x = 44,064,307,225/97,438
  6. Step 6: Final answer
    x = 452,229.18

Related Problems

Find third proportional to 48,719 and 104,957.50
Half scale
Find third proportional to 194,876 and 419,830
Double scale
Find third proportional to 97,440 and 209,919
Similar ratio
Find third proportional to 146,157 and 314,872.50
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.