Home / 319,896-691,023

Finding the Third Proportional to 319,896 and 691,023

Calculator

Solution

The third proportional to 319,896 and 691,023 is: 1,492,712.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,896 : 691,023 = 691,023 : x
  2. Step 2: Convert to fraction form
    319,896/691,023 = 691,023/x
  3. Step 3: Cross multiply
    319,896x = 691,023 × 691,023
  4. Step 4: Simplify right side
    319,896x = 477,512,786,529
  5. Step 5: Solve for x
    x = 477,512,786,529/319,896
  6. Step 6: Final answer
    x = 1,492,712.59

Related Problems

Find third proportional to 159,948 and 345,511.50
Half scale
Find third proportional to 639,792 and 1,382,046
Double scale
Find third proportional to 319,898 and 691,027
Similar ratio
Find third proportional to 479,844 and 1,036,534.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.