Home / 213,419,636-459,195,208

Finding the Third Proportional to 213,419,636 and 459,195,208

Calculator

Solution

The third proportional to 213,419,636 and 459,195,208 is: 988,007,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,419,636 : 459,195,208 = 459,195,208 : x
  2. Step 2: Convert to fraction form
    213,419,636/459,195,208 = 459,195,208/x
  3. Step 3: Cross multiply
    213,419,636x = 459,195,208 × 459,195,208
  4. Step 4: Simplify right side
    213,419,636x = 210,860,239,050,163,264
  5. Step 5: Solve for x
    x = 210,860,239,050,163,264/213,419,636
  6. Step 6: Final answer
    x = 988,007,678.22

Related Problems

Find third proportional to 106,709,818 and 229,597,604
Half scale
Find third proportional to 426,839,272 and 918,390,416
Double scale
Find third proportional to 213,419,638 and 459,195,212
Similar ratio
Find third proportional to 320,129,454 and 688,792,812
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.