Home / 218,709,996-307,642,698

Finding the Third Proportional to 218,709,996 and 307,642,698

Calculator

Solution

The third proportional to 218,709,996 and 307,642,698 is: 432,737,558.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,709,996 : 307,642,698 = 307,642,698 : x
  2. Step 2: Convert to fraction form
    218,709,996/307,642,698 = 307,642,698/x
  3. Step 3: Cross multiply
    218,709,996x = 307,642,698 × 307,642,698
  4. Step 4: Simplify right side
    218,709,996x = 94,644,029,632,719,200
  5. Step 5: Solve for x
    x = 94,644,029,632,719,200/218,709,996
  6. Step 6: Final answer
    x = 432,737,558.24

Related Problems

Find third proportional to 109,354,998 and 153,821,349
Half scale
Find third proportional to 437,419,992 and 615,285,396
Double scale
Find third proportional to 218,709,998 and 307,642,701
Similar ratio
Find third proportional to 328,064,994 and 461,464,047
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.