Home / 218,709,998-307,642,701

Finding the Third Proportional to 218,709,998 and 307,642,701

Calculator

Solution

The third proportional to 218,709,998 and 307,642,701 is: 432,737,562.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,709,998 : 307,642,701 = 307,642,701 : x
  2. Step 2: Convert to fraction form
    218,709,998/307,642,701 = 307,642,701/x
  3. Step 3: Cross multiply
    218,709,998x = 307,642,701 × 307,642,701
  4. Step 4: Simplify right side
    218,709,998x = 94,644,031,478,575,408
  5. Step 5: Solve for x
    x = 94,644,031,478,575,408/218,709,998
  6. Step 6: Final answer
    x = 432,737,562.73

Related Problems

Find third proportional to 109,354,999 and 153,821,350.50
Half scale
Find third proportional to 437,419,996 and 615,285,402
Double scale
Find third proportional to 218,710,000 and 307,642,704
Similar ratio
Find third proportional to 328,064,997 and 461,464,051.50
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.