Home / 132,279-285,294

Finding the Third Proportional to 132,279 and 285,294

Calculator

Solution

The third proportional to 132,279 and 285,294 is: 615,310.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,279 : 285,294 = 285,294 : x
  2. Step 2: Convert to fraction form
    132,279/285,294 = 285,294/x
  3. Step 3: Cross multiply
    132,279x = 285,294 × 285,294
  4. Step 4: Simplify right side
    132,279x = 81,392,666,436
  5. Step 5: Solve for x
    x = 81,392,666,436/132,279
  6. Step 6: Final answer
    x = 615,310.57

Related Problems

Find third proportional to 66,139.50 and 142,647
Half scale
Find third proportional to 264,558 and 570,588
Double scale
Find third proportional to 132,281 and 285,298
Similar ratio
Find third proportional to 198,418.50 and 427,941
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.