Home / 392,210-552,308

Finding the Third Proportional to 392,210 and 552,308

Calculator

Solution

The third proportional to 392,210 and 552,308 is: 777,757.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,210 : 552,308 = 552,308 : x
  2. Step 2: Convert to fraction form
    392,210/552,308 = 552,308/x
  3. Step 3: Cross multiply
    392,210x = 552,308 × 552,308
  4. Step 4: Simplify right side
    392,210x = 305,044,126,864
  5. Step 5: Solve for x
    x = 305,044,126,864/392,210
  6. Step 6: Final answer
    x = 777,757.14

Related Problems

Find third proportional to 196,105 and 276,154
Half scale
Find third proportional to 784,420 and 1,104,616
Double scale
Find third proportional to 392,212 and 552,311
Similar ratio
Find third proportional to 588,315 and 828,462
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.