Home / 8,418,878-18,184,948

Finding the Third Proportional to 8,418,878 and 18,184,948

Calculator

Solution

The third proportional to 8,418,878 and 18,184,948 is: 39,279,858.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418,878 : 18,184,948 = 18,184,948 : x
  2. Step 2: Convert to fraction form
    8,418,878/18,184,948 = 18,184,948/x
  3. Step 3: Cross multiply
    8,418,878x = 18,184,948 × 18,184,948
  4. Step 4: Simplify right side
    8,418,878x = 330,692,333,762,704
  5. Step 5: Solve for x
    x = 330,692,333,762,704/8,418,878
  6. Step 6: Final answer
    x = 39,279,858.17

Related Problems

Find third proportional to 4,209,439 and 9,092,474
Half scale
Find third proportional to 16,837,756 and 36,369,896
Double scale
Find third proportional to 8,418,880 and 18,184,952
Similar ratio
Find third proportional to 12,628,317 and 27,277,422
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.