Home / 307,556-665,656

Finding the Third Proportional to 307,556 and 665,656

Calculator

Solution

The third proportional to 307,556 and 665,656 is: 1,440,706.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,556 : 665,656 = 665,656 : x
  2. Step 2: Convert to fraction form
    307,556/665,656 = 665,656/x
  3. Step 3: Cross multiply
    307,556x = 665,656 × 665,656
  4. Step 4: Simplify right side
    307,556x = 443,097,910,336
  5. Step 5: Solve for x
    x = 443,097,910,336/307,556
  6. Step 6: Final answer
    x = 1,440,706.44

Related Problems

Find third proportional to 153,778 and 332,828
Half scale
Find third proportional to 615,112 and 1,331,312
Double scale
Find third proportional to 307,558 and 665,660
Similar ratio
Find third proportional to 461,334 and 998,484
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.