Home / 393,907-573,637

Finding the Third Proportional to 393,907 and 573,637

Calculator

Solution

The third proportional to 393,907 and 573,637 is: 835,373.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,907 : 573,637 = 573,637 : x
  2. Step 2: Convert to fraction form
    393,907/573,637 = 573,637/x
  3. Step 3: Cross multiply
    393,907x = 573,637 × 573,637
  4. Step 4: Simplify right side
    393,907x = 329,059,407,769
  5. Step 5: Solve for x
    x = 329,059,407,769/393,907
  6. Step 6: Final answer
    x = 835,373.34

Related Problems

Find third proportional to 196,953.50 and 286,818.50
Half scale
Find third proportional to 787,814 and 1,147,274
Double scale
Find third proportional to 393,909 and 573,640
Similar ratio
Find third proportional to 590,860.50 and 860,455.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.