Home / 8,518,610-18,609,268

Finding the Third Proportional to 8,518,610 and 18,609,268

Calculator

Solution

The third proportional to 8,518,610 and 18,609,268 is: 40,652,742.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518,610 : 18,609,268 = 18,609,268 : x
  2. Step 2: Convert to fraction form
    8,518,610/18,609,268 = 18,609,268/x
  3. Step 3: Cross multiply
    8,518,610x = 18,609,268 × 18,609,268
  4. Step 4: Simplify right side
    8,518,610x = 346,304,855,495,824
  5. Step 5: Solve for x
    x = 346,304,855,495,824/8,518,610
  6. Step 6: Final answer
    x = 40,652,742.11

Related Problems

Find third proportional to 4,259,305 and 9,304,634
Half scale
Find third proportional to 17,037,220 and 37,218,536
Double scale
Find third proportional to 8,518,612 and 18,609,272
Similar ratio
Find third proportional to 12,777,915 and 27,913,902
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.