Home / 138,223.13-216,869.06

Finding the Third Proportional to 138,223.13 and 216,869.06

Calculator

Solution

The third proportional to 138,223.13 and 216,869.06 is: 340,262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,223.13 : 216,869.06 = 216,869.06 : x
  2. Step 2: Convert to fraction form
    138,223.13/216,869.06 = 216,869.06/x
  3. Step 3: Cross multiply
    138,223.13x = 216,869.06 × 216,869.06
  4. Step 4: Simplify right side
    138,223.13x = 47,032,190,269.63
  5. Step 5: Solve for x
    x = 47,032,190,269.63/138,223.13
  6. Step 6: Final answer
    x = 340,262.82

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.