Home / 8,315,240-12,438,954

Finding the Third Proportional to 8,315,240 and 12,438,954

Calculator

Solution

The third proportional to 8,315,240 and 12,438,954 is: 18,607,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,240 : 12,438,954 = 12,438,954 : x
  2. Step 2: Convert to fraction form
    8,315,240/12,438,954 = 12,438,954/x
  3. Step 3: Cross multiply
    8,315,240x = 12,438,954 × 12,438,954
  4. Step 4: Simplify right side
    8,315,240x = 154,727,576,614,116
  5. Step 5: Solve for x
    x = 154,727,576,614,116/8,315,240
  6. Step 6: Final answer
    x = 18,607,710.25

Related Problems

Find third proportional to 4,157,620 and 6,219,477
Half scale
Find third proportional to 16,630,480 and 24,877,908
Double scale
Find third proportional to 8,315,242 and 12,438,957
Similar ratio
Find third proportional to 12,472,860 and 18,658,431
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.