Home / 138,484,824-299,950,278

Finding the Third Proportional to 138,484,824 and 299,950,278

Calculator

Solution

The third proportional to 138,484,824 and 299,950,278 is: 649,675,297.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,484,824 : 299,950,278 = 299,950,278 : x
  2. Step 2: Convert to fraction form
    138,484,824/299,950,278 = 299,950,278/x
  3. Step 3: Cross multiply
    138,484,824x = 299,950,278 × 299,950,278
  4. Step 4: Simplify right side
    138,484,824x = 89,970,169,272,277,280
  5. Step 5: Solve for x
    x = 89,970,169,272,277,280/138,484,824
  6. Step 6: Final answer
    x = 649,675,297.79

Related Problems

Find third proportional to 69,242,412 and 149,975,139
Half scale
Find third proportional to 276,969,648 and 599,900,556
Double scale
Find third proportional to 138,484,826 and 299,950,282
Similar ratio
Find third proportional to 207,727,236 and 449,925,417
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.