Home / 290,792-626,128

Finding the Third Proportional to 290,792 and 626,128

Calculator

Solution

The third proportional to 290,792 and 626,128 is: 1,348,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,792 : 626,128 = 626,128 : x
  2. Step 2: Convert to fraction form
    290,792/626,128 = 626,128/x
  3. Step 3: Cross multiply
    290,792x = 626,128 × 626,128
  4. Step 4: Simplify right side
    290,792x = 392,036,272,384
  5. Step 5: Solve for x
    x = 392,036,272,384/290,792
  6. Step 6: Final answer
    x = 1,348,167.32

Related Problems

Find third proportional to 145,396 and 313,064
Half scale
Find third proportional to 581,584 and 1,252,256
Double scale
Find third proportional to 290,794 and 626,132
Similar ratio
Find third proportional to 436,188 and 939,192
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.