Home / 212,667,786-318,646,899

Finding the Third Proportional to 212,667,786 and 318,646,899

Calculator

Solution

The third proportional to 212,667,786 and 318,646,899 is: 477,438,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,667,786 : 318,646,899 = 318,646,899 : x
  2. Step 2: Convert to fraction form
    212,667,786/318,646,899 = 318,646,899/x
  3. Step 3: Cross multiply
    212,667,786x = 318,646,899 × 318,646,899
  4. Step 4: Simplify right side
    212,667,786x = 101,535,846,242,316,208
  5. Step 5: Solve for x
    x = 101,535,846,242,316,208/212,667,786
  6. Step 6: Final answer
    x = 477,438,770.36

Related Problems

Find third proportional to 106,333,893 and 159,323,449.50
Half scale
Find third proportional to 425,335,572 and 637,293,798
Double scale
Find third proportional to 212,667,788 and 318,646,902
Similar ratio
Find third proportional to 319,001,679 and 477,970,348.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.