Home / 138,513.75-298,897.50

Finding the Third Proportional to 138,513.75 and 298,897.50

Calculator

Solution

The third proportional to 138,513.75 and 298,897.50 is: 644,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,513.75 : 298,897.50 = 298,897.50 : x
  2. Step 2: Convert to fraction form
    138,513.75/298,897.50 = 298,897.50/x
  3. Step 3: Cross multiply
    138,513.75x = 298,897.50 × 298,897.50
  4. Step 4: Simplify right side
    138,513.75x = 89,339,715,506.25
  5. Step 5: Solve for x
    x = 89,339,715,506.25/138,513.75
  6. Step 6: Final answer
    x = 644,988.06

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.