Home / 171,657-256,513

Finding the Third Proportional to 171,657 and 256,513

Calculator

Solution

The third proportional to 171,657 and 256,513 is: 383,316.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,657 : 256,513 = 256,513 : x
  2. Step 2: Convert to fraction form
    171,657/256,513 = 256,513/x
  3. Step 3: Cross multiply
    171,657x = 256,513 × 256,513
  4. Step 4: Simplify right side
    171,657x = 65,798,919,169
  5. Step 5: Solve for x
    x = 65,798,919,169/171,657
  6. Step 6: Final answer
    x = 383,316.26

Related Problems

Find third proportional to 85,828.50 and 128,256.50
Half scale
Find third proportional to 343,314 and 513,026
Double scale
Find third proportional to 171,659 and 256,516
Similar ratio
Find third proportional to 257,485.50 and 384,769.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.