Home / 513,696-681,620

Finding the Third Proportional to 513,696 and 681,620

Calculator

Solution

The third proportional to 513,696 and 681,620 is: 904,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,696 : 681,620 = 681,620 : x
  2. Step 2: Convert to fraction form
    513,696/681,620 = 681,620/x
  3. Step 3: Cross multiply
    513,696x = 681,620 × 681,620
  4. Step 4: Simplify right side
    513,696x = 464,605,824,400
  5. Step 5: Solve for x
    x = 464,605,824,400/513,696
  6. Step 6: Final answer
    x = 904,437.30

Related Problems

Find third proportional to 256,848 and 340,810
Half scale
Find third proportional to 1,027,392 and 1,363,240
Double scale
Find third proportional to 513,698 and 681,623
Similar ratio
Find third proportional to 770,544 and 1,022,430
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.