Home / 508,428-674,676

Finding the Third Proportional to 508,428 and 674,676

Calculator

Solution

The third proportional to 508,428 and 674,676 is: 895,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,428 : 674,676 = 674,676 : x
  2. Step 2: Convert to fraction form
    508,428/674,676 = 674,676/x
  3. Step 3: Cross multiply
    508,428x = 674,676 × 674,676
  4. Step 4: Simplify right side
    508,428x = 455,187,704,976
  5. Step 5: Solve for x
    x = 455,187,704,976/508,428
  6. Step 6: Final answer
    x = 895,284.49

Related Problems

Find third proportional to 254,214 and 337,338
Half scale
Find third proportional to 1,016,856 and 1,349,352
Double scale
Find third proportional to 508,430 and 674,679
Similar ratio
Find third proportional to 762,642 and 1,012,014
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.