Home / 135,045-290,106

Finding the Third Proportional to 135,045 and 290,106

Calculator

Solution

The third proportional to 135,045 and 290,106 is: 623,210.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,045 : 290,106 = 290,106 : x
  2. Step 2: Convert to fraction form
    135,045/290,106 = 290,106/x
  3. Step 3: Cross multiply
    135,045x = 290,106 × 290,106
  4. Step 4: Simplify right side
    135,045x = 84,161,491,236
  5. Step 5: Solve for x
    x = 84,161,491,236/135,045
  6. Step 6: Final answer
    x = 623,210.72

Related Problems

Find third proportional to 67,522.50 and 145,053
Half scale
Find third proportional to 270,090 and 580,212
Double scale
Find third proportional to 135,047 and 290,110
Similar ratio
Find third proportional to 202,567.50 and 435,159
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.