Home / 278,668-461,047

Finding the Third Proportional to 278,668 and 461,047

Calculator

Solution

The third proportional to 278,668 and 461,047 is: 762,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,668 : 461,047 = 461,047 : x
  2. Step 2: Convert to fraction form
    278,668/461,047 = 461,047/x
  3. Step 3: Cross multiply
    278,668x = 461,047 × 461,047
  4. Step 4: Simplify right side
    278,668x = 212,564,336,209
  5. Step 5: Solve for x
    x = 212,564,336,209/278,668
  6. Step 6: Final answer
    x = 762,787.03

Related Problems

Find third proportional to 139,334 and 230,523.50
Half scale
Find third proportional to 557,336 and 922,094
Double scale
Find third proportional to 278,670 and 461,050
Similar ratio
Find third proportional to 418,002 and 691,570.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.