Home / 8,458,610-12,690,507

Finding the Third Proportional to 8,458,610 and 12,690,507

Calculator

Solution

The third proportional to 8,458,610 and 12,690,507 is: 19,039,649.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458,610 : 12,690,507 = 12,690,507 : x
  2. Step 2: Convert to fraction form
    8,458,610/12,690,507 = 12,690,507/x
  3. Step 3: Cross multiply
    8,458,610x = 12,690,507 × 12,690,507
  4. Step 4: Simplify right side
    8,458,610x = 161,048,967,917,049
  5. Step 5: Solve for x
    x = 161,048,967,917,049/8,458,610
  6. Step 6: Final answer
    x = 19,039,649.29

Related Problems

Find third proportional to 4,229,305 and 6,345,253.50
Half scale
Find third proportional to 16,917,220 and 25,381,014
Double scale
Find third proportional to 8,458,612 and 12,690,510
Similar ratio
Find third proportional to 12,687,915 and 19,035,760.50
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.