Home / 139,852,908-218,903,508

Finding the Third Proportional to 139,852,908 and 218,903,508

Calculator

Solution

The third proportional to 139,852,908 and 218,903,508 is: 342,636,749.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,852,908 : 218,903,508 = 218,903,508 : x
  2. Step 2: Convert to fraction form
    139,852,908/218,903,508 = 218,903,508/x
  3. Step 3: Cross multiply
    139,852,908x = 218,903,508 × 218,903,508
  4. Step 4: Simplify right side
    139,852,908x = 47,918,745,814,706,064
  5. Step 5: Solve for x
    x = 47,918,745,814,706,064/139,852,908
  6. Step 6: Final answer
    x = 342,636,749.57

Related Problems

Find third proportional to 69,926,454 and 109,451,754
Half scale
Find third proportional to 279,705,816 and 437,807,016
Double scale
Find third proportional to 139,852,910 and 218,903,511
Similar ratio
Find third proportional to 209,779,362 and 328,355,262
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.