Home / 347,243.81-521,790.19

Finding the Third Proportional to 347,243.81 and 521,790.19

Calculator

Solution

The third proportional to 347,243.81 and 521,790.19 is: 784,074.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,243.81 : 521,790.19 = 521,790.19 : x
  2. Step 2: Convert to fraction form
    347,243.81/521,790.19 = 521,790.19/x
  3. Step 3: Cross multiply
    347,243.81x = 521,790.19 × 521,790.19
  4. Step 4: Simplify right side
    347,243.81x = 272,264,999,771.29
  5. Step 5: Solve for x
    x = 272,264,999,771.29/347,243.81
  6. Step 6: Final answer
    x = 784,074.45

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.