Home / 409,632-851,964

Finding the Third Proportional to 409,632 and 851,964

Calculator

Solution

The third proportional to 409,632 and 851,964 is: 1,771,938.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,632 : 851,964 = 851,964 : x
  2. Step 2: Convert to fraction form
    409,632/851,964 = 851,964/x
  3. Step 3: Cross multiply
    409,632x = 851,964 × 851,964
  4. Step 4: Simplify right side
    409,632x = 725,842,657,296
  5. Step 5: Solve for x
    x = 725,842,657,296/409,632
  6. Step 6: Final answer
    x = 1,771,938.37

Related Problems

Find third proportional to 204,816 and 425,982
Half scale
Find third proportional to 819,264 and 1,703,928
Double scale
Find third proportional to 409,634 and 851,968
Similar ratio
Find third proportional to 614,448 and 1,277,946
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.