Home / 279,670,646-423,391,053

Finding the Third Proportional to 279,670,646 and 423,391,053

Calculator

Solution

The third proportional to 279,670,646 and 423,391,053 is: 640,968,175.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,670,646 : 423,391,053 = 423,391,053 : x
  2. Step 2: Convert to fraction form
    279,670,646/423,391,053 = 423,391,053/x
  3. Step 3: Cross multiply
    279,670,646x = 423,391,053 × 423,391,053
  4. Step 4: Simplify right side
    279,670,646x = 179,259,983,760,448,800
  5. Step 5: Solve for x
    x = 179,259,983,760,448,800/279,670,646
  6. Step 6: Final answer
    x = 640,968,175.69

Related Problems

Find third proportional to 139,835,323 and 211,695,526.50
Half scale
Find third proportional to 559,341,292 and 846,782,106
Double scale
Find third proportional to 279,670,648 and 423,391,056
Similar ratio
Find third proportional to 419,505,969 and 635,086,579.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.