Home / 181,137,015-397,858,889

Finding the Third Proportional to 181,137,015 and 397,858,889

Calculator

Solution

The third proportional to 181,137,015 and 397,858,889 is: 873,878,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,137,015 : 397,858,889 = 397,858,889 : x
  2. Step 2: Convert to fraction form
    181,137,015/397,858,889 = 397,858,889/x
  3. Step 3: Cross multiply
    181,137,015x = 397,858,889 × 397,858,889
  4. Step 4: Simplify right side
    181,137,015x = 158,291,695,556,314,336
  5. Step 5: Solve for x
    x = 158,291,695,556,314,336/181,137,015
  6. Step 6: Final answer
    x = 873,878,238.28

Related Problems

Find third proportional to 90,568,507.50 and 198,929,444.50
Half scale
Find third proportional to 362,274,030 and 795,717,778
Double scale
Find third proportional to 181,137,017 and 397,858,893
Similar ratio
Find third proportional to 271,705,522.50 and 596,788,333.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.