Home / 200,520-417,625

Finding the Third Proportional to 200,520 and 417,625

Calculator

Solution

The third proportional to 200,520 and 417,625 is: 869,791.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,520 : 417,625 = 417,625 : x
  2. Step 2: Convert to fraction form
    200,520/417,625 = 417,625/x
  3. Step 3: Cross multiply
    200,520x = 417,625 × 417,625
  4. Step 4: Simplify right side
    200,520x = 174,410,640,625
  5. Step 5: Solve for x
    x = 174,410,640,625/200,520
  6. Step 6: Final answer
    x = 869,791.74

Related Problems

Find third proportional to 100,260 and 208,812.50
Half scale
Find third proportional to 401,040 and 835,250
Double scale
Find third proportional to 200,522 and 417,629
Similar ratio
Find third proportional to 300,780 and 626,437.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.