Home / 200,490-417,513

Finding the Third Proportional to 200,490 and 417,513

Calculator

Solution

The third proportional to 200,490 and 417,513 is: 869,455.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,490 : 417,513 = 417,513 : x
  2. Step 2: Convert to fraction form
    200,490/417,513 = 417,513/x
  3. Step 3: Cross multiply
    200,490x = 417,513 × 417,513
  4. Step 4: Simplify right side
    200,490x = 174,317,105,169
  5. Step 5: Solve for x
    x = 174,317,105,169/200,490
  6. Step 6: Final answer
    x = 869,455.36

Related Problems

Find third proportional to 100,245 and 208,756.50
Half scale
Find third proportional to 400,980 and 835,026
Double scale
Find third proportional to 200,492 and 417,517
Similar ratio
Find third proportional to 300,735 and 626,269.50
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.