Home / 84,120.47-129,298.50

Finding the Third Proportional to 84,120.47 and 129,298.50

Calculator

Solution

The third proportional to 84,120.47 and 129,298.50 is: 198,740.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,120.47 : 129,298.50 = 129,298.50 : x
  2. Step 2: Convert to fraction form
    84,120.47/129,298.50 = 129,298.50/x
  3. Step 3: Cross multiply
    84,120.47x = 129,298.50 × 129,298.50
  4. Step 4: Simplify right side
    84,120.47x = 16,718,102,102.25
  5. Step 5: Solve for x
    x = 16,718,102,102.25/84,120.47
  6. Step 6: Final answer
    x = 198,740.00

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.