Home / 256,067-553,649

Finding the Third Proportional to 256,067 and 553,649

Calculator

Solution

The third proportional to 256,067 and 553,649 is: 1,197,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,067 : 553,649 = 553,649 : x
  2. Step 2: Convert to fraction form
    256,067/553,649 = 553,649/x
  3. Step 3: Cross multiply
    256,067x = 553,649 × 553,649
  4. Step 4: Simplify right side
    256,067x = 306,527,215,201
  5. Step 5: Solve for x
    x = 306,527,215,201/256,067
  6. Step 6: Final answer
    x = 1,197,058.64

Related Problems

Find third proportional to 128,033.50 and 276,824.50
Half scale
Find third proportional to 512,134 and 1,107,298
Double scale
Find third proportional to 256,069 and 553,653
Similar ratio
Find third proportional to 384,100.50 and 830,473.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.