Home / 8,315,246-12,438,961

Finding the Third Proportional to 8,315,246 and 12,438,961

Calculator

Solution

The third proportional to 8,315,246 and 12,438,961 is: 18,607,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,246 : 12,438,961 = 12,438,961 : x
  2. Step 2: Convert to fraction form
    8,315,246/12,438,961 = 12,438,961/x
  3. Step 3: Cross multiply
    8,315,246x = 12,438,961 × 12,438,961
  4. Step 4: Simplify right side
    8,315,246x = 154,727,750,759,521
  5. Step 5: Solve for x
    x = 154,727,750,759,521/8,315,246
  6. Step 6: Final answer
    x = 18,607,717.77

Related Problems

Find third proportional to 4,157,623 and 6,219,480.50
Half scale
Find third proportional to 16,630,492 and 24,877,922
Double scale
Find third proportional to 8,315,248 and 12,438,964
Similar ratio
Find third proportional to 12,472,869 and 18,658,441.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.