Home / 511,464-757,280

Finding the Third Proportional to 511,464 and 757,280

Calculator

Solution

The third proportional to 511,464 and 757,280 is: 1,121,238.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,464 : 757,280 = 757,280 : x
  2. Step 2: Convert to fraction form
    511,464/757,280 = 757,280/x
  3. Step 3: Cross multiply
    511,464x = 757,280 × 757,280
  4. Step 4: Simplify right side
    511,464x = 573,472,998,400
  5. Step 5: Solve for x
    x = 573,472,998,400/511,464
  6. Step 6: Final answer
    x = 1,121,238.25

Related Problems

Find third proportional to 255,732 and 378,640
Half scale
Find third proportional to 1,022,928 and 1,514,560
Double scale
Find third proportional to 511,466 and 757,283
Similar ratio
Find third proportional to 767,196 and 1,135,920
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.