Home / 378,806.63-817,701.75

Finding the Third Proportional to 378,806.63 and 817,701.75

Calculator

Solution

The third proportional to 378,806.63 and 817,701.75 is: 1,765,112.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,806.63 : 817,701.75 = 817,701.75 : x
  2. Step 2: Convert to fraction form
    378,806.63/817,701.75 = 817,701.75/x
  3. Step 3: Cross multiply
    378,806.63x = 817,701.75 × 817,701.75
  4. Step 4: Simplify right side
    378,806.63x = 668,636,151,953.06
  5. Step 5: Solve for x
    x = 668,636,151,953.06/378,806.63
  6. Step 6: Final answer
    x = 1,765,112.09

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.