Home / 640,626-982,656

Finding the Third Proportional to 640,626 and 982,656

Calculator

Solution

The third proportional to 640,626 and 982,656 is: 1,507,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,626 : 982,656 = 982,656 : x
  2. Step 2: Convert to fraction form
    640,626/982,656 = 982,656/x
  3. Step 3: Cross multiply
    640,626x = 982,656 × 982,656
  4. Step 4: Simplify right side
    640,626x = 965,612,814,336
  5. Step 5: Solve for x
    x = 965,612,814,336/640,626
  6. Step 6: Final answer
    x = 1,507,295.70

Related Problems

Find third proportional to 320,313 and 491,328
Half scale
Find third proportional to 1,281,252 and 1,965,312
Double scale
Find third proportional to 640,628 and 982,659
Similar ratio
Find third proportional to 960,939 and 1,473,984
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.