Home / 122,738-257,764

Finding the Third Proportional to 122,738 and 257,764

Calculator

Solution

The third proportional to 122,738 and 257,764 is: 541,334.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,738 : 257,764 = 257,764 : x
  2. Step 2: Convert to fraction form
    122,738/257,764 = 257,764/x
  3. Step 3: Cross multiply
    122,738x = 257,764 × 257,764
  4. Step 4: Simplify right side
    122,738x = 66,442,279,696
  5. Step 5: Solve for x
    x = 66,442,279,696/122,738
  6. Step 6: Final answer
    x = 541,334.22

Related Problems

Find third proportional to 61,369 and 128,882
Half scale
Find third proportional to 245,476 and 515,528
Double scale
Find third proportional to 122,740 and 257,768
Similar ratio
Find third proportional to 184,107 and 386,646
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.