Home / 12,976,136-18,971,148

Finding the Third Proportional to 12,976,136 and 18,971,148

Calculator

Solution

The third proportional to 12,976,136 and 18,971,148 is: 27,735,872.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976,136 : 18,971,148 = 18,971,148 : x
  2. Step 2: Convert to fraction form
    12,976,136/18,971,148 = 18,971,148/x
  3. Step 3: Cross multiply
    12,976,136x = 18,971,148 × 18,971,148
  4. Step 4: Simplify right side
    12,976,136x = 359,904,456,437,904
  5. Step 5: Solve for x
    x = 359,904,456,437,904/12,976,136
  6. Step 6: Final answer
    x = 27,735,872.72

Related Problems

Find third proportional to 6,488,068 and 9,485,574
Half scale
Find third proportional to 25,952,272 and 37,942,296
Double scale
Find third proportional to 12,976,138 and 18,971,151
Similar ratio
Find third proportional to 19,464,204 and 28,456,722
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.