Home / 135,034-290,842

Finding the Third Proportional to 135,034 and 290,842

Calculator

Solution

The third proportional to 135,034 and 290,842 is: 626,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,034 : 290,842 = 290,842 : x
  2. Step 2: Convert to fraction form
    135,034/290,842 = 290,842/x
  3. Step 3: Cross multiply
    135,034x = 290,842 × 290,842
  4. Step 4: Simplify right side
    135,034x = 84,589,068,964
  5. Step 5: Solve for x
    x = 84,589,068,964/135,034
  6. Step 6: Final answer
    x = 626,427.93

Related Problems

Find third proportional to 67,517 and 145,421
Half scale
Find third proportional to 270,068 and 581,684
Double scale
Find third proportional to 135,036 and 290,846
Similar ratio
Find third proportional to 202,551 and 436,263
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.