Home / 602,780-818,628

Finding the Third Proportional to 602,780 and 818,628

Calculator

Solution

The third proportional to 602,780 and 818,628 is: 1,111,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,780 : 818,628 = 818,628 : x
  2. Step 2: Convert to fraction form
    602,780/818,628 = 818,628/x
  3. Step 3: Cross multiply
    602,780x = 818,628 × 818,628
  4. Step 4: Simplify right side
    602,780x = 670,151,802,384
  5. Step 5: Solve for x
    x = 670,151,802,384/602,780
  6. Step 6: Final answer
    x = 1,111,768.48

Related Problems

Find third proportional to 301,390 and 409,314
Half scale
Find third proportional to 1,205,560 and 1,637,256
Double scale
Find third proportional to 602,782 and 818,631
Similar ratio
Find third proportional to 904,170 and 1,227,942
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.