Home / 762,422-1,121,457

Finding the Third Proportional to 762,422 and 1,121,457

Calculator

Solution

The third proportional to 762,422 and 1,121,457 is: 1,649,566.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,422 : 1,121,457 = 1,121,457 : x
  2. Step 2: Convert to fraction form
    762,422/1,121,457 = 1,121,457/x
  3. Step 3: Cross multiply
    762,422x = 1,121,457 × 1,121,457
  4. Step 4: Simplify right side
    762,422x = 1,257,665,802,849
  5. Step 5: Solve for x
    x = 1,257,665,802,849/762,422
  6. Step 6: Final answer
    x = 1,649,566.52

Related Problems

Find third proportional to 381,211 and 560,728.50
Half scale
Find third proportional to 1,524,844 and 2,242,914
Double scale
Find third proportional to 762,424 and 1,121,460
Similar ratio
Find third proportional to 1,143,633 and 1,682,185.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.