Home / 510,720-808,314

Finding the Third Proportional to 510,720 and 808,314

Calculator

Solution

The third proportional to 510,720 and 808,314 is: 1,279,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,720 : 808,314 = 808,314 : x
  2. Step 2: Convert to fraction form
    510,720/808,314 = 808,314/x
  3. Step 3: Cross multiply
    510,720x = 808,314 × 808,314
  4. Step 4: Simplify right side
    510,720x = 653,371,522,596
  5. Step 5: Solve for x
    x = 653,371,522,596/510,720
  6. Step 6: Final answer
    x = 1,279,314.54

Related Problems

Find third proportional to 255,360 and 404,157
Half scale
Find third proportional to 1,021,440 and 1,616,628
Double scale
Find third proportional to 510,722 and 808,317
Similar ratio
Find third proportional to 766,080 and 1,212,471
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.