Home / 8,315,261-12,438,985

Finding the Third Proportional to 8,315,261 and 12,438,985

Calculator

Solution

The third proportional to 8,315,261 and 12,438,985 is: 18,607,756.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315,261 : 12,438,985 = 12,438,985 : x
  2. Step 2: Convert to fraction form
    8,315,261/12,438,985 = 12,438,985/x
  3. Step 3: Cross multiply
    8,315,261x = 12,438,985 × 12,438,985
  4. Step 4: Simplify right side
    8,315,261x = 154,728,347,830,225
  5. Step 5: Solve for x
    x = 154,728,347,830,225/8,315,261
  6. Step 6: Final answer
    x = 18,607,756.01

Related Problems

Find third proportional to 4,157,630.50 and 6,219,492.50
Half scale
Find third proportional to 16,630,522 and 24,877,970
Double scale
Find third proportional to 8,315,263 and 12,438,988
Similar ratio
Find third proportional to 12,472,891.50 and 18,658,477.50
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.