Home / 139,815,994-217,085,272

Finding the Third Proportional to 139,815,994 and 217,085,272

Calculator

Solution

The third proportional to 139,815,994 and 217,085,272 is: 337,057,399.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,815,994 : 217,085,272 = 217,085,272 : x
  2. Step 2: Convert to fraction form
    139,815,994/217,085,272 = 217,085,272/x
  3. Step 3: Cross multiply
    139,815,994x = 217,085,272 × 217,085,272
  4. Step 4: Simplify right side
    139,815,994x = 47,126,015,319,313,984
  5. Step 5: Solve for x
    x = 47,126,015,319,313,984/139,815,994
  6. Step 6: Final answer
    x = 337,057,399.31

Related Problems

Find third proportional to 69,907,997 and 108,542,636
Half scale
Find third proportional to 279,631,988 and 434,170,544
Double scale
Find third proportional to 139,815,996 and 217,085,275
Similar ratio
Find third proportional to 209,723,991 and 325,627,908
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.