Home / 269,748-416,790

Finding the Third Proportional to 269,748 and 416,790

Calculator

Solution

The third proportional to 269,748 and 416,790 is: 643,985.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,748 : 416,790 = 416,790 : x
  2. Step 2: Convert to fraction form
    269,748/416,790 = 416,790/x
  3. Step 3: Cross multiply
    269,748x = 416,790 × 416,790
  4. Step 4: Simplify right side
    269,748x = 173,713,904,100
  5. Step 5: Solve for x
    x = 173,713,904,100/269,748
  6. Step 6: Final answer
    x = 643,985.88

Related Problems

Find third proportional to 134,874 and 208,395
Half scale
Find third proportional to 539,496 and 833,580
Double scale
Find third proportional to 269,750 and 416,793
Similar ratio
Find third proportional to 404,622 and 625,185
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.