Home / 352,728-540,486

Finding the Third Proportional to 352,728 and 540,486

Calculator

Solution

The third proportional to 352,728 and 540,486 is: 828,188.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,728 : 540,486 = 540,486 : x
  2. Step 2: Convert to fraction form
    352,728/540,486 = 540,486/x
  3. Step 3: Cross multiply
    352,728x = 540,486 × 540,486
  4. Step 4: Simplify right side
    352,728x = 292,125,116,196
  5. Step 5: Solve for x
    x = 292,125,116,196/352,728
  6. Step 6: Final answer
    x = 828,188.05

Related Problems

Find third proportional to 176,364 and 270,243
Half scale
Find third proportional to 705,456 and 1,080,972
Double scale
Find third proportional to 352,730 and 540,489
Similar ratio
Find third proportional to 529,092 and 810,729
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.