Home / 138,080,028-297,679,980

Finding the Third Proportional to 138,080,028 and 297,679,980

Calculator

Solution

The third proportional to 138,080,028 and 297,679,980 is: 641,753,711.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,080,028 : 297,679,980 = 297,679,980 : x
  2. Step 2: Convert to fraction form
    138,080,028/297,679,980 = 297,679,980/x
  3. Step 3: Cross multiply
    138,080,028x = 297,679,980 × 297,679,980
  4. Step 4: Simplify right side
    138,080,028x = 88,613,370,492,800,400
  5. Step 5: Solve for x
    x = 88,613,370,492,800,400/138,080,028
  6. Step 6: Final answer
    x = 641,753,711.79

Related Problems

Find third proportional to 69,040,014 and 148,839,990
Half scale
Find third proportional to 276,160,056 and 595,359,960
Double scale
Find third proportional to 138,080,030 and 297,679,984
Similar ratio
Find third proportional to 207,120,042 and 446,519,970
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.