Home / 145,574-308,645

Finding the Third Proportional to 145,574 and 308,645

Calculator

Solution

The third proportional to 145,574 and 308,645 is: 654,387.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,574 : 308,645 = 308,645 : x
  2. Step 2: Convert to fraction form
    145,574/308,645 = 308,645/x
  3. Step 3: Cross multiply
    145,574x = 308,645 × 308,645
  4. Step 4: Simplify right side
    145,574x = 95,261,736,025
  5. Step 5: Solve for x
    x = 95,261,736,025/145,574
  6. Step 6: Final answer
    x = 654,387.02

Related Problems

Find third proportional to 72,787 and 154,322.50
Half scale
Find third proportional to 291,148 and 617,290
Double scale
Find third proportional to 145,576 and 308,649
Similar ratio
Find third proportional to 218,361 and 462,967.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.