Home / 123,306-252,438

Finding the Third Proportional to 123,306 and 252,438

Calculator

Solution

The third proportional to 123,306 and 252,438 is: 516,803.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,306 : 252,438 = 252,438 : x
  2. Step 2: Convert to fraction form
    123,306/252,438 = 252,438/x
  3. Step 3: Cross multiply
    123,306x = 252,438 × 252,438
  4. Step 4: Simplify right side
    123,306x = 63,724,943,844
  5. Step 5: Solve for x
    x = 63,724,943,844/123,306
  6. Step 6: Final answer
    x = 516,803.27

Related Problems

Find third proportional to 61,653 and 126,219
Half scale
Find third proportional to 246,612 and 504,876
Double scale
Find third proportional to 123,308 and 252,442
Similar ratio
Find third proportional to 184,959 and 378,657
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.