Home / 356,628-777,228

Finding the Third Proportional to 356,628 and 777,228

Calculator

Solution

The third proportional to 356,628 and 777,228 is: 1,693,875.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,628 : 777,228 = 777,228 : x
  2. Step 2: Convert to fraction form
    356,628/777,228 = 777,228/x
  3. Step 3: Cross multiply
    356,628x = 777,228 × 777,228
  4. Step 4: Simplify right side
    356,628x = 604,083,363,984
  5. Step 5: Solve for x
    x = 604,083,363,984/356,628
  6. Step 6: Final answer
    x = 1,693,875.31

Related Problems

Find third proportional to 178,314 and 388,614
Half scale
Find third proportional to 713,256 and 1,554,456
Double scale
Find third proportional to 356,630 and 777,232
Similar ratio
Find third proportional to 534,942 and 1,165,842
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.