Home / 434,980-665,471

Finding the Third Proportional to 434,980 and 665,471

Calculator

Solution

The third proportional to 434,980 and 665,471 is: 1,018,096.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,980 : 665,471 = 665,471 : x
  2. Step 2: Convert to fraction form
    434,980/665,471 = 665,471/x
  3. Step 3: Cross multiply
    434,980x = 665,471 × 665,471
  4. Step 4: Simplify right side
    434,980x = 442,851,651,841
  5. Step 5: Solve for x
    x = 442,851,651,841/434,980
  6. Step 6: Final answer
    x = 1,018,096.58

Related Problems

Find third proportional to 217,490 and 332,735.50
Half scale
Find third proportional to 869,960 and 1,330,942
Double scale
Find third proportional to 434,982 and 665,474
Similar ratio
Find third proportional to 652,470 and 998,206.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.