Home / 144,234-315,613

Finding the Third Proportional to 144,234 and 315,613

Calculator

Solution

The third proportional to 144,234 and 315,613 is: 690,624.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,234 : 315,613 = 315,613 : x
  2. Step 2: Convert to fraction form
    144,234/315,613 = 315,613/x
  3. Step 3: Cross multiply
    144,234x = 315,613 × 315,613
  4. Step 4: Simplify right side
    144,234x = 99,611,565,769
  5. Step 5: Solve for x
    x = 99,611,565,769/144,234
  6. Step 6: Final answer
    x = 690,624.72

Related Problems

Find third proportional to 72,117 and 157,806.50
Half scale
Find third proportional to 288,468 and 631,226
Double scale
Find third proportional to 144,236 and 315,617
Similar ratio
Find third proportional to 216,351 and 473,419.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.