Home / 355,028-499,370

Finding the Third Proportional to 355,028 and 499,370

Calculator

Solution

The third proportional to 355,028 and 499,370 is: 702,396.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,028 : 499,370 = 499,370 : x
  2. Step 2: Convert to fraction form
    355,028/499,370 = 499,370/x
  3. Step 3: Cross multiply
    355,028x = 499,370 × 499,370
  4. Step 4: Simplify right side
    355,028x = 249,370,396,900
  5. Step 5: Solve for x
    x = 249,370,396,900/355,028
  6. Step 6: Final answer
    x = 702,396.42

Related Problems

Find third proportional to 177,514 and 249,685
Half scale
Find third proportional to 710,056 and 998,740
Double scale
Find third proportional to 355,030 and 499,373
Similar ratio
Find third proportional to 532,542 and 749,055
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.