Home / 74,290-154,704

Finding the Third Proportional to 74,290 and 154,704

Calculator

Solution

The third proportional to 74,290 and 154,704 is: 322,160.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,290 : 154,704 = 154,704 : x
  2. Step 2: Convert to fraction form
    74,290/154,704 = 154,704/x
  3. Step 3: Cross multiply
    74,290x = 154,704 × 154,704
  4. Step 4: Simplify right side
    74,290x = 23,933,327,616
  5. Step 5: Solve for x
    x = 23,933,327,616/74,290
  6. Step 6: Final answer
    x = 322,160.82

Related Problems

Find third proportional to 37,145 and 77,352
Half scale
Find third proportional to 148,580 and 309,408
Double scale
Find third proportional to 74,292 and 154,708
Similar ratio
Find third proportional to 111,435 and 232,056
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.