Home / 191,003-258,479

Finding the Third Proportional to 191,003 and 258,479

Calculator

Solution

The third proportional to 191,003 and 258,479 is: 349,792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,003 : 258,479 = 258,479 : x
  2. Step 2: Convert to fraction form
    191,003/258,479 = 258,479/x
  3. Step 3: Cross multiply
    191,003x = 258,479 × 258,479
  4. Step 4: Simplify right side
    191,003x = 66,811,393,441
  5. Step 5: Solve for x
    x = 66,811,393,441/191,003
  6. Step 6: Final answer
    x = 349,792.38

Related Problems

Find third proportional to 95,501.50 and 129,239.50
Half scale
Find third proportional to 382,006 and 516,958
Double scale
Find third proportional to 191,005 and 258,482
Similar ratio
Find third proportional to 286,504.50 and 387,718.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.