Home / 15,328,884-21,313,374

Finding the Third Proportional to 15,328,884 and 21,313,374

Calculator

Solution

The third proportional to 15,328,884 and 21,313,374 is: 29,634,245.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,328,884 : 21,313,374 = 21,313,374 : x
  2. Step 2: Convert to fraction form
    15,328,884/21,313,374 = 21,313,374/x
  3. Step 3: Cross multiply
    15,328,884x = 21,313,374 × 21,313,374
  4. Step 4: Simplify right side
    15,328,884x = 454,259,911,263,876
  5. Step 5: Solve for x
    x = 454,259,911,263,876/15,328,884
  6. Step 6: Final answer
    x = 29,634,245.47

Related Problems

Find third proportional to 7,664,442 and 10,656,687
Half scale
Find third proportional to 30,657,768 and 42,626,748
Double scale
Find third proportional to 15,328,886 and 21,313,377
Similar ratio
Find third proportional to 22,993,326 and 31,970,061
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.