Home / 298,411,842-642,173,330

Finding the Third Proportional to 298,411,842 and 642,173,330

Calculator

Solution

The third proportional to 298,411,842 and 642,173,330 is: 1,381,937,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,411,842 : 642,173,330 = 642,173,330 : x
  2. Step 2: Convert to fraction form
    298,411,842/642,173,330 = 642,173,330/x
  3. Step 3: Cross multiply
    298,411,842x = 642,173,330 × 642,173,330
  4. Step 4: Simplify right side
    298,411,842x = 412,386,585,763,288,896
  5. Step 5: Solve for x
    x = 412,386,585,763,288,896/298,411,842
  6. Step 6: Final answer
    x = 1,381,937,737.46

Related Problems

Find third proportional to 149,205,921 and 321,086,665
Half scale
Find third proportional to 596,823,684 and 1,284,346,660
Double scale
Find third proportional to 298,411,844 and 642,173,334
Similar ratio
Find third proportional to 447,617,763 and 963,259,995
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.