Home / 122,570-256,374

Finding the Third Proportional to 122,570 and 256,374

Calculator

Solution

The third proportional to 122,570 and 256,374 is: 536,245.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,570 : 256,374 = 256,374 : x
  2. Step 2: Convert to fraction form
    122,570/256,374 = 256,374/x
  3. Step 3: Cross multiply
    122,570x = 256,374 × 256,374
  4. Step 4: Simplify right side
    122,570x = 65,727,627,876
  5. Step 5: Solve for x
    x = 65,727,627,876/122,570
  6. Step 6: Final answer
    x = 536,245.64

Related Problems

Find third proportional to 61,285 and 128,187
Half scale
Find third proportional to 245,140 and 512,748
Double scale
Find third proportional to 122,572 and 256,378
Similar ratio
Find third proportional to 183,855 and 384,561
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.