Home / 642,978-1,374,533

Finding the Third Proportional to 642,978 and 1,374,533

Calculator

Solution

The third proportional to 642,978 and 1,374,533 is: 2,938,422.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,978 : 1,374,533 = 1,374,533 : x
  2. Step 2: Convert to fraction form
    642,978/1,374,533 = 1,374,533/x
  3. Step 3: Cross multiply
    642,978x = 1,374,533 × 1,374,533
  4. Step 4: Simplify right side
    642,978x = 1,889,340,968,089
  5. Step 5: Solve for x
    x = 1,889,340,968,089/642,978
  6. Step 6: Final answer
    x = 2,938,422.42

Related Problems

Find third proportional to 321,489 and 687,266.50
Half scale
Find third proportional to 1,285,956 and 2,749,066
Double scale
Find third proportional to 642,980 and 1,374,537
Similar ratio
Find third proportional to 964,467 and 2,061,799.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.