Home / 12,385,230-18,213,669

Finding the Third Proportional to 12,385,230 and 18,213,669

Calculator

Solution

The third proportional to 12,385,230 and 18,213,669 is: 26,784,947.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385,230 : 18,213,669 = 18,213,669 : x
  2. Step 2: Convert to fraction form
    12,385,230/18,213,669 = 18,213,669/x
  3. Step 3: Cross multiply
    12,385,230x = 18,213,669 × 18,213,669
  4. Step 4: Simplify right side
    12,385,230x = 331,737,738,441,561
  5. Step 5: Solve for x
    x = 331,737,738,441,561/12,385,230
  6. Step 6: Final answer
    x = 26,784,947.75

Related Problems

Find third proportional to 6,192,615 and 9,106,834.50
Half scale
Find third proportional to 24,770,460 and 36,427,338
Double scale
Find third proportional to 12,385,232 and 18,213,672
Similar ratio
Find third proportional to 18,577,845 and 27,320,503.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.