Home / 117,220-256,796

Finding the Third Proportional to 117,220 and 256,796

Calculator

Solution

The third proportional to 117,220 and 256,796 is: 562,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,220 : 256,796 = 256,796 : x
  2. Step 2: Convert to fraction form
    117,220/256,796 = 256,796/x
  3. Step 3: Cross multiply
    117,220x = 256,796 × 256,796
  4. Step 4: Simplify right side
    117,220x = 65,944,185,616
  5. Step 5: Solve for x
    x = 65,944,185,616/117,220
  6. Step 6: Final answer
    x = 562,567.70

Related Problems

Find third proportional to 58,610 and 128,398
Half scale
Find third proportional to 234,440 and 513,592
Double scale
Find third proportional to 117,222 and 256,800
Similar ratio
Find third proportional to 175,830 and 385,194
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.