Home / 279,641-436,026

Finding the Third Proportional to 279,641 and 436,026

Calculator

Solution

The third proportional to 279,641 and 436,026 is: 679,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,641 : 436,026 = 436,026 : x
  2. Step 2: Convert to fraction form
    279,641/436,026 = 436,026/x
  3. Step 3: Cross multiply
    279,641x = 436,026 × 436,026
  4. Step 4: Simplify right side
    279,641x = 190,118,672,676
  5. Step 5: Solve for x
    x = 190,118,672,676/279,641
  6. Step 6: Final answer
    x = 679,866.95

Related Problems

Find third proportional to 139,820.50 and 218,013
Half scale
Find third proportional to 559,282 and 872,052
Double scale
Find third proportional to 279,643 and 436,029
Similar ratio
Find third proportional to 419,461.50 and 654,039
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.