Home / 342,636-545,634

Finding the Third Proportional to 342,636 and 545,634

Calculator

Solution

The third proportional to 342,636 and 545,634 is: 868,900.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,636 : 545,634 = 545,634 : x
  2. Step 2: Convert to fraction form
    342,636/545,634 = 545,634/x
  3. Step 3: Cross multiply
    342,636x = 545,634 × 545,634
  4. Step 4: Simplify right side
    342,636x = 297,716,461,956
  5. Step 5: Solve for x
    x = 297,716,461,956/342,636
  6. Step 6: Final answer
    x = 868,900.12

Related Problems

Find third proportional to 171,318 and 272,817
Half scale
Find third proportional to 685,272 and 1,091,268
Double scale
Find third proportional to 342,638 and 545,637
Similar ratio
Find third proportional to 513,954 and 818,451
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.