Home / 640,684-982,734

Finding the Third Proportional to 640,684 and 982,734

Calculator

Solution

The third proportional to 640,684 and 982,734 is: 1,507,398.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,684 : 982,734 = 982,734 : x
  2. Step 2: Convert to fraction form
    640,684/982,734 = 982,734/x
  3. Step 3: Cross multiply
    640,684x = 982,734 × 982,734
  4. Step 4: Simplify right side
    640,684x = 965,766,114,756
  5. Step 5: Solve for x
    x = 965,766,114,756/640,684
  6. Step 6: Final answer
    x = 1,507,398.52

Related Problems

Find third proportional to 320,342 and 491,367
Half scale
Find third proportional to 1,281,368 and 1,965,468
Double scale
Find third proportional to 640,686 and 982,737
Similar ratio
Find third proportional to 961,026 and 1,474,101
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.