Home / 256,988-552,249

Finding the Third Proportional to 256,988 and 552,249

Calculator

Solution

The third proportional to 256,988 and 552,249 is: 1,186,743.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,988 : 552,249 = 552,249 : x
  2. Step 2: Convert to fraction form
    256,988/552,249 = 552,249/x
  3. Step 3: Cross multiply
    256,988x = 552,249 × 552,249
  4. Step 4: Simplify right side
    256,988x = 304,978,958,001
  5. Step 5: Solve for x
    x = 304,978,958,001/256,988
  6. Step 6: Final answer
    x = 1,186,743.96

Related Problems

Find third proportional to 128,494 and 276,124.50
Half scale
Find third proportional to 513,976 and 1,104,498
Double scale
Find third proportional to 256,990 and 552,253
Similar ratio
Find third proportional to 385,482 and 828,373.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.