Home / 316,818-486,313.50

Finding the Third Proportional to 316,818 and 486,313.50

Calculator

Solution

The third proportional to 316,818 and 486,313.50 is: 746,487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,818 : 486,313.50 = 486,313.50 : x
  2. Step 2: Convert to fraction form
    316,818/486,313.50 = 486,313.50/x
  3. Step 3: Cross multiply
    316,818x = 486,313.50 × 486,313.50
  4. Step 4: Simplify right side
    316,818x = 236,500,820,282.25
  5. Step 5: Solve for x
    x = 236,500,820,282.25/316,818
  6. Step 6: Final answer
    x = 746,487.95

Related Problems

Find third proportional to 158,409 and 243,156.75
Half scale
Find third proportional to 633,636 and 972,627
Double scale
Find third proportional to 316,820 and 486,317
Similar ratio
Find third proportional to 475,227 and 729,470.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.