Home / 507,438-1,091,421

Finding the Third Proportional to 507,438 and 1,091,421

Calculator

Solution

The third proportional to 507,438 and 1,091,421 is: 2,347,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,438 : 1,091,421 = 1,091,421 : x
  2. Step 2: Convert to fraction form
    507,438/1,091,421 = 1,091,421/x
  3. Step 3: Cross multiply
    507,438x = 1,091,421 × 1,091,421
  4. Step 4: Simplify right side
    507,438x = 1,191,199,799,241
  5. Step 5: Solve for x
    x = 1,191,199,799,241/507,438
  6. Step 6: Final answer
    x = 2,347,478.51

Related Problems

Find third proportional to 253,719 and 545,710.50
Half scale
Find third proportional to 1,014,876 and 2,182,842
Double scale
Find third proportional to 507,440 and 1,091,425
Similar ratio
Find third proportional to 761,157 and 1,637,131.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.