Home / 7,970,908-12,689,438

Finding the Third Proportional to 7,970,908 and 12,689,438

Calculator

Solution

The third proportional to 7,970,908 and 12,689,438 is: 20,201,191.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,970,908 : 12,689,438 = 12,689,438 : x
  2. Step 2: Convert to fraction form
    7,970,908/12,689,438 = 12,689,438/x
  3. Step 3: Cross multiply
    7,970,908x = 12,689,438 × 12,689,438
  4. Step 4: Simplify right side
    7,970,908x = 161,021,836,755,844
  5. Step 5: Solve for x
    x = 161,021,836,755,844/7,970,908
  6. Step 6: Final answer
    x = 20,201,191.23

Related Problems

Find third proportional to 3,985,454 and 6,344,719
Half scale
Find third proportional to 15,941,816 and 25,378,876
Double scale
Find third proportional to 7,970,910 and 12,689,441
Similar ratio
Find third proportional to 11,956,362 and 19,034,157
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.