Home / 8,538,838-18,298,022

Finding the Third Proportional to 8,538,838 and 18,298,022

Calculator

Solution

The third proportional to 8,538,838 and 18,298,022 is: 39,211,144.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,838 : 18,298,022 = 18,298,022 : x
  2. Step 2: Convert to fraction form
    8,538,838/18,298,022 = 18,298,022/x
  3. Step 3: Cross multiply
    8,538,838x = 18,298,022 × 18,298,022
  4. Step 4: Simplify right side
    8,538,838x = 334,817,609,112,484
  5. Step 5: Solve for x
    x = 334,817,609,112,484/8,538,838
  6. Step 6: Final answer
    x = 39,211,144.32

Related Problems

Find third proportional to 4,269,419 and 9,149,011
Half scale
Find third proportional to 17,077,676 and 36,596,044
Double scale
Find third proportional to 8,538,840 and 18,298,026
Similar ratio
Find third proportional to 12,808,257 and 27,447,033
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.