Home / 284,148-424,278

Finding the Third Proportional to 284,148 and 424,278

Calculator

Solution

The third proportional to 284,148 and 424,278 is: 633,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,148 : 424,278 = 424,278 : x
  2. Step 2: Convert to fraction form
    284,148/424,278 = 424,278/x
  3. Step 3: Cross multiply
    284,148x = 424,278 × 424,278
  4. Step 4: Simplify right side
    284,148x = 180,011,821,284
  5. Step 5: Solve for x
    x = 180,011,821,284/284,148
  6. Step 6: Final answer
    x = 633,514.30

Related Problems

Find third proportional to 142,074 and 212,139
Half scale
Find third proportional to 568,296 and 848,556
Double scale
Find third proportional to 284,150 and 424,281
Similar ratio
Find third proportional to 426,222 and 636,417
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.