Home / 318,444-671,448

Finding the Third Proportional to 318,444 and 671,448

Calculator

Solution

The third proportional to 318,444 and 671,448 is: 1,415,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,444 : 671,448 = 671,448 : x
  2. Step 2: Convert to fraction form
    318,444/671,448 = 671,448/x
  3. Step 3: Cross multiply
    318,444x = 671,448 × 671,448
  4. Step 4: Simplify right side
    318,444x = 450,842,416,704
  5. Step 5: Solve for x
    x = 450,842,416,704/318,444
  6. Step 6: Final answer
    x = 1,415,766.72

Related Problems

Find third proportional to 159,222 and 335,724
Half scale
Find third proportional to 636,888 and 1,342,896
Double scale
Find third proportional to 318,446 and 671,452
Similar ratio
Find third proportional to 477,666 and 1,007,172
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.