Home / 388,896-838,488

Finding the Third Proportional to 388,896 and 838,488

Calculator

Solution

The third proportional to 388,896 and 838,488 is: 1,807,840.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,896 : 838,488 = 838,488 : x
  2. Step 2: Convert to fraction form
    388,896/838,488 = 838,488/x
  3. Step 3: Cross multiply
    388,896x = 838,488 × 838,488
  4. Step 4: Simplify right side
    388,896x = 703,062,126,144
  5. Step 5: Solve for x
    x = 703,062,126,144/388,896
  6. Step 6: Final answer
    x = 1,807,840.98

Related Problems

Find third proportional to 194,448 and 419,244
Half scale
Find third proportional to 777,792 and 1,676,976
Double scale
Find third proportional to 388,898 and 838,492
Similar ratio
Find third proportional to 583,344 and 1,257,732
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.