Home / 310,694-665,656

Finding the Third Proportional to 310,694 and 665,656

Calculator

Solution

The third proportional to 310,694 and 665,656 is: 1,426,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,694 : 665,656 = 665,656 : x
  2. Step 2: Convert to fraction form
    310,694/665,656 = 665,656/x
  3. Step 3: Cross multiply
    310,694x = 665,656 × 665,656
  4. Step 4: Simplify right side
    310,694x = 443,097,910,336
  5. Step 5: Solve for x
    x = 443,097,910,336/310,694
  6. Step 6: Final answer
    x = 1,426,155.35

Related Problems

Find third proportional to 155,347 and 332,828
Half scale
Find third proportional to 621,388 and 1,331,312
Double scale
Find third proportional to 310,696 and 665,660
Similar ratio
Find third proportional to 466,041 and 998,484
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.