Home / 309,252-670,983

Finding the Third Proportional to 309,252 and 670,983

Calculator

Solution

The third proportional to 309,252 and 670,983 is: 1,455,829.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,252 : 670,983 = 670,983 : x
  2. Step 2: Convert to fraction form
    309,252/670,983 = 670,983/x
  3. Step 3: Cross multiply
    309,252x = 670,983 × 670,983
  4. Step 4: Simplify right side
    309,252x = 450,218,186,289
  5. Step 5: Solve for x
    x = 450,218,186,289/309,252
  6. Step 6: Final answer
    x = 1,455,829.51

Related Problems

Find third proportional to 154,626 and 335,491.50
Half scale
Find third proportional to 618,504 and 1,341,966
Double scale
Find third proportional to 309,254 and 670,987
Similar ratio
Find third proportional to 463,878 and 1,006,474.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.