Home / 8,418,684-18,182,544

Finding the Third Proportional to 8,418,684 and 18,182,544

Calculator

Solution

The third proportional to 8,418,684 and 18,182,544 is: 39,270,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418,684 : 18,182,544 = 18,182,544 : x
  2. Step 2: Convert to fraction form
    8,418,684/18,182,544 = 18,182,544/x
  3. Step 3: Cross multiply
    8,418,684x = 18,182,544 × 18,182,544
  4. Step 4: Simplify right side
    8,418,684x = 330,604,906,311,936
  5. Step 5: Solve for x
    x = 330,604,906,311,936/8,418,684
  6. Step 6: Final answer
    x = 39,270,378.40

Related Problems

Find third proportional to 4,209,342 and 9,091,272
Half scale
Find third proportional to 16,837,368 and 36,365,088
Double scale
Find third proportional to 8,418,686 and 18,182,548
Similar ratio
Find third proportional to 12,628,026 and 27,273,816
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.